{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1655515",
    "entityType": "User",
    "nonce": "0xcacc16fc5e8eff18ca4db52b7ff5d3b5a3269b5e753471bf8e7c8b08f0801598",
    "signature": "0x34c7cd1d3ac703d22c17462048ed65ceebca6578b77b89c91892225a65bb75c4561d686983a8b405ea58cefc947ae86f6c607e2f75aefd395dfc286495042eb71b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}