{
  "manageEntity": {
    "action": "Update",
    "entityId": "860339842",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0a1b4e9ced542b69c2b22366c08c8266215831c2ae282cd4be0ed3ab971bb5bb",
    "signature": "0x2e7b34b8c4b0fe1e40683109da781cca9071ec6ba06bbda741f37ef482f2912b7c8b39454855ace9470edb336d9d7d9ed2879adea2e35cddf15f32df83269cd71c",
    "signer": "0xC69389b7A83a682D1764bEeBC6A79ADA42eE56c7",
    "userId": "860339842"
  }
}