{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "803288761",
    "entityType": "User",
    "nonce": "0xd043b17811329a74f941ca5fd38fb9dd4ef9ef15f6467a4992030f4ae65a3c37",
    "signature": "0x107aad093e7944de38e1f1a4e0552e6aaa14a591e9ef0ad0be3b09ddf1f2e91c151465158fff6d0baa1bfcba8b8d91c84706be459b6410461aae1f4fd419c81a1b",
    "signer": "0x5f7a2bcadaC17cD6C8Fd726c2Ba3dE8bE24B7D31",
    "userId": "629635445"
  }
}