{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2044",
    "entityType": "User",
    "nonce": "0x428201d97f6bba3e31f125bff2a1454b999227a1f833621bb6c82d4625b01e1e",
    "signature": "0x38ec855c454fbf915ce70b8faa1de0ec1700fc91ace688c0aa5744520089f8c94b0c5d75f3a0b16899101d4b9dea3324dc15cef694255692d7c2345f91675dc01b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}