{
  "manageEntity": {
    "action": "Update",
    "entityId": "785276209",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa10b6739964207330d9c5504e64809e3b82d2d02db8d8073c9f3212b7fb492fb",
    "signature": "0x41cfb9881d6c1f0c0e23f709bd6c498b5096c29f22fc68d1e66d857a8866cf7f3bd694237a5e046b7be209f51f28b5528b8ab690f01cf52b0119f64dcd03528e1c",
    "signer": "0xaB187024B71c661fbAEcAc54b5dAb20a2701b7bD",
    "userId": "785276209"
  }
}