{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x6aca95b4a24fd8d7596f5f91ab9b7fe081c3a55af1bbb7e62461f84da7f92e35",
    "signature": "0xe2b05604ffb4913271803c4afb7125122cc60d9da276e682c2c96a5a0896cc26506cfa355dc464de702905605c0fa5e6733e747ca6791a77c91aeb95c6068eec1b",
    "signer": "0x81e9de9D1365F9c0cdeb3578Eff3bfC3122088d0",
    "userId": "8551894"
  }
}