{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1471974",
    "entityType": "User",
    "nonce": "0xba9c86fd7691855db49686ac8712f65600d2cf52597366d8507672e36207de8d",
    "signature": "0x551d08165b389fa54da864c879401761b65b9ecc4bd694ace4926e1e5301f7e136526766ad61a1a3687f13fcbfbb83382b6fad9070ddae3d0795be548a550d2a1b",
    "signer": "0x89c72DF8bec7Bf1F1Df74D3FcE9b55BD98be56B7",
    "userId": "973199908"
  }
}