{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863746603",
    "entityType": "User",
    "nonce": "0x94f8e9d0bc7c5d2ff1d0dd3719865fad9b5dae30c3a1e3fd11171d4cb8f84d99",
    "signature": "0xed8a148f2764c99e3130491797c28bb0536270eb16391a7a5173746c4edec2452772ed709c1e799bd40a054cebedf5b72f18eeeec2e89b69f535e6bd9aa436281b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}