{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "833426398",
    "entityType": "User",
    "nonce": "0x5a3bd96aac3df52d1a85b9f5486044926cef8aa6f6f7600a15d65786086cd0e2",
    "signature": "0x655444dc41f8a98f9fe56cb1f58f2ff3cb374f7718b9b4239e572adb25c220c9314f7f999f6c87e7e7b7d9a872d793af98a65fa058c23ae70f81cc7bf18833e21c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}