{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1401389933",
    "entityType": "Event",
    "nonce": "0x283557235035d104e33ec13c75b403d062cb1cb5cd8285ec9720c948866f1e3c",
    "signature": "0x34c8bf2c73ddd16fa8bf2c514db2ec0d4c07066f0c93d190fb230aa60ac053057a92a9a9a4250267257f58d2afa69e6010f30e3bfdee378d5780748a1a11b0c51c",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}