{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831224880",
    "entityType": "User",
    "nonce": "0x155a0685d9f8ea245ac25b3189a40255eb39be65b5472ceaf3ad55808e5a4da8",
    "signature": "0x5042978e9fb2028853c75e2a2d9645289f0a5a9be0360f1ec864f9edafc78b4300376a8ebc6e73e7ebd7af78b579ee639f99d794d4fd44879663297fb13a40811c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}