{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396",
    "entityType": "User",
    "nonce": "0xc58ba2c95335b3691bdaf5730f6dc2c5fcc11c7d6e182d2f2e2758979b14ba8a",
    "signature": "0xf22f00d962c64280e2ee79d572124cd81f2158d5badedfab4f32c71196400f6302d65068bfcd838c4442c0975b38251cd09a435bd4d37fb706dc297bfe63b8a11c",
    "signer": "0x9d291c3d255b974fe494F9679cb470BC6Ec7CA05",
    "userId": "905328931"
  }
}