{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "806873848",
    "entityType": "User",
    "nonce": "0xb9931a5443bb7fc29c2041fdb000e4dc5d7ebff0531d1fba27b78de5314e067c",
    "signature": "0x8eccca305c52ad7c724c350249e0a9aeb04250989778b16b629ad628dad7c90b095d12ffeb376b46a0d0a00d8f8cb4e55803ec1ae076e73e7c21b65a73f9ee201b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}