{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x69edba8308e6a3cb7cf47195447a929b3d42efa8c68ea5803ebebb7e04e2dbd0",
    "signature": "0x73fe89e3a8328d72509caa0b49e35d5d328a77288a9dfe9ec8c618133a6d048f128d49cda7e61ae425becb42b86d69caa06cda502a514b8c9705cfe0640b49cb1c",
    "signer": "0x6bFdA7F67147F3B5a1029c91BF1574cC86EC9e5F",
    "userId": "696810334"
  }
}