{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "351492052",
    "entityType": "User",
    "nonce": "0xaab53bcf56b8ad0456c7ccc11e1424014d4823b2ac276330069da6d4e79262ef",
    "signature": "0x2061a9890a2207a7f2c1e3137d43b4d0560247e4dc0860fef5ee250505b123b1270d5243b14c9935bf8c3b869bd8845e0f9a4f1c2e97d7c35d25b961f3f2cd761c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}