{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319895",
    "entityType": "User",
    "nonce": "0x5a717501b03c61911d090166d88325ded6f55bda0e2af8535be7379df1174bdc",
    "signature": "0x834693b74c148572723bb5bd629cf45cc940c51f4e4d980cfd4cdf7d33aeae433ecabff9ef5cef607b1571f485bb320ff1b902ed3dc511b0c46aa02a520e62f81c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}