{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27447",
    "entityType": "User",
    "nonce": "0xdc51bed43984eaaee37284d2f4e3f51f2abbce152e56f36a6db9d9f7e879227c",
    "signature": "0xa14deefa38a36fe1a7815d56835973aeea12b31a4d1e13fcfe0900cd83b3994172265ff6945bb0ffa318e34273a68580e4962ef5ebc69f66137cfd1d9498b3941c",
    "signer": "0x2b4664d9E28380466C2B17959303f1C6E188Ab86",
    "userId": "800744597"
  }
}