{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x20917cc0599181e62687cf869005b801db4c10332ab6bd706a7f2a5485308467",
    "signature": "0xd1b844ebc806624b536f89ba4de39988fa0b4b21c6d2bb14d4d60bf1424ee82017ceebcf2d0d9e426393a052a51d2e04e083cda0d8103ef2e21516afb052843f1b",
    "signer": "0x4089d1751487aA665C895419F2578a6Cf33BE481",
    "userId": "728155533"
  }
}