{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14042",
    "entityType": "User",
    "nonce": "0x8e9e76234df1e6e2a4a6b3fc34b79355ebbeb5d35ddffe36491b5d52dc4d1e09",
    "signature": "0xb93ca22800927814566391c2440f67abc5a56c71a38d02ad77e03cffe479efd7639adc25a3d8d9462e1730ba383dd3dce94e8724e229858c3c550984b5b3d3c41b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}