{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbb7b83a881444b1859887862d857953cc92e3ee8576c1654a3d3ef7f172fb861",
    "signature": "0xd46fff9df57145c87241b27fcec172cf7586d23075469e79ec972b092bf2371c6cc59ee957255663a67e5d8d4bf4bc68d54a8b664dcb2d831877ba52218bec3b1c",
    "signer": "0x328792F50caF0183cfCb5089c9f8dE46a41989Ea",
    "userId": "583778049"
  }
}