{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "314016",
    "entityType": "User",
    "nonce": "0xf75e7d782b588c2b1ecca9354d1368875254cba07595297669a95134111c9699",
    "signature": "0xb7adf6629cebe7a59036e02d3fb8fec5d50ab30df53256506a796b7a9febff1d58f2fd7158610f444c2407db25f6e75d841e2ef44a7b23f60ea28b091f422f751b",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}