{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "192467",
    "entityType": "User",
    "nonce": "0xdaceb322684febcb4fb43fa1908ba9979aa6457dfb92e7cf7dcf4226917c221b",
    "signature": "0xdf7a0edbb467268b761c027a24e73c6586f91a69ae4408a41f75dad16e28884117d4e0191727f2e58f265a50d73d051c8fb505ff246d4bc43258fb9e8a559dfd1c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}