{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x2f84d12c5607bcb5abe04e6404b3458ed2871b071e7642ce30fb7a5bfcacd38f",
    "signature": "0x2179ed363bd5a6bc92c39ee9acc9b42ba90081aa3274f2a18535eca047bc0b331bf028939fcd74644997bc050c1abe3e55774630eace645575b5918dc2906a5b1b",
    "signer": "0xfa1f98f0530E55C2BEFA45f0F1B3A699b4559136",
    "userId": "149566028"
  }
}