{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "933148862",
    "entityType": "User",
    "nonce": "0xd649bad53dcf509df1c6e3ef704fe3af14e6d22885f2211c1ac577300230c46b",
    "signature": "0x5f240e3ed96f77cc9350d4c73112899c293d58e6c6dadb7aa82ffd598b4d16ca1d72322a375ebd002f051541ebcbb644b14cbbb8a74f3e2d116a90e39e53638b1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}