{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x6cc4934e70d35d788e604ade64343c996aee7a429f238fe631399ce8038d7496",
    "signature": "0x578568fb280cd2337546f175f5d96eecd21fb64152c667976c41e79066d6cc2b15a3e47c05a035c0def9025fa497f09f0faa56e6ffc7610933b59c15e4d32f5f1c",
    "signer": "0x674FFC02F71bdD4bD3Ae60c618579EBDD541E397",
    "userId": "787787230"
  }
}