{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "696716320",
    "entityType": "User",
    "nonce": "0xe0e4b7aed9f87484fb3612a1e33509f339883f5af792ea26857915eeeb09da53",
    "signature": "0x5095e059273630d3a17a504e680b0fb1c7682d08d27be0034eae62460f2fa999667dc14c330088b3b220d0b6d79da0477132b77133232fd1c1eaea6a263e96a81b",
    "signer": "0x7425EdbFdF528603A88c658f4cf8B1396a8a77F5",
    "userId": "406225571"
  }
}