{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x56a733a04850d4cdd0f10416111b96cc801acde996b6512e2aaf973610d7e6e8",
    "signature": "0x6930f40efdefb56d6940241d821cf7d29ddb1c20549337921662c8f0e6eeff3876ba869047f9dcd6cbc26214de2586d7186c9a26a957c0c12eb4ce1fdcc0f69f1b",
    "signer": "0x674FFC02F71bdD4bD3Ae60c618579EBDD541E397",
    "userId": "787787230"
  }
}