{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "527480232",
    "entityType": "User",
    "nonce": "0x859a96abaa7ceb60043bec6babe5074103583d84ac93b90d53f4b4efc5bbc5ff",
    "signature": "0xf24bbf6a761a20c1e2b7fed6a0fc0ebafb4dd3704b36692ae6d0cac42bd0abc8254a07da43c70f64eb0d142a15fa5a4d909e28fc5017d26e044bc24def2502501b",
    "signer": "0x6818B889bFEAe14D2ADdaC4dBF0eAe75779d7Ac4",
    "userId": "341292657"
  }
}