{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1931557",
    "entityType": "User",
    "nonce": "0xd658da3b46c169060358c271e2eaa1099f66bd96f8448ee2dc3ea486948d63a4",
    "signature": "0x7b79cfeecfb56f45a66a960f042a6b0b2501bd2485ffc163e80dacbf10556d4e2042eec84218e4f9d53837dcfa0056a28136f1cac19035b9d42fa111942f03421b",
    "signer": "0x22Fc85b6fce8CE12f05a05dF6894b4140b7e8bC7",
    "userId": "373394983"
  }
}