{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57280",
    "entityType": "User",
    "nonce": "0x53b37bb7dc9d246c2bc4d0a7f325a328ef1fd91156bfa1a9d5e0ef90ccc19bb7",
    "signature": "0x77a311c198077ce0d4f3fbce6c7dd5b225d6f67c7b881f8934ba6a3aa6cd6506686e95d73eb3d16a0ce6db149c454d7f7fe5d01f9017bad82b98bb537ba1814e1b",
    "signer": "0x5aeCC1AFF37a5BA2FEE40cF4dd6357A86DE23D42",
    "userId": "950958674"
  }
}