{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55278",
    "entityType": "User",
    "nonce": "0x683a58597f1649427c0d0d958ca6d8f4d9d81a54d283ceceb0ba0e0e49b21baa",
    "signature": "0x8515cfc98c341db2199772b152fe58067675fdce5aac8c8ef4f1e50123a0e1cc7ea10c6782dce9300c19cbeab335dacc6d441111d8b3fbd829c8005c29ddcbcd1b",
    "signer": "0xe4920563a44aCfD361D693eF2e725E42bBADF928",
    "userId": "933918061"
  }
}