{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1037384",
    "entityType": "User",
    "nonce": "0x07d9292c733adbd9359ce6fd4e583343c50a21d2b805d36a21580aecaafe593a",
    "signature": "0xb6a8fdbaf0ff9bc27099f2df9a0ada253474f4f0b4c2e1b2a9df83045c1c17de00f406006e7e5f5beaa96379108b2eefecf6b802a10e90883246a52722798a371b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}