{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27909",
    "entityType": "User",
    "nonce": "0x148a043f749cd5eb2a2bb4239d6dcf433c73821dc970acfcd28bb2b6f4228cf5",
    "signature": "0x4a1921f49eb7a7a94c21444acca42907157731b932a7e25ddfb1b755d73e62311074aef56613918fc8660d21730bcfd42ea1bf796169a0cdf7704b581761406c1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}