{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "936815292",
    "entityType": "User",
    "nonce": "0x1d6812b7b17453827226b60f1a6c8bf2e65357ef2759c8fffb9a5b7f73ede96e",
    "signature": "0xbe25343118cc7688573bc6c208c2dbab144b2ea2d7e371a24eb1fdd5250946695ddeaa86108b67ee35d3632ef4edd7fe9472bbbaa509d49b55efa7e074024bcc1c",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}