{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "978580446",
    "entityType": "User",
    "nonce": "0xdc91dbfcb6a021af9765af16391074a5b34313331e70e2b5bd6cdbf23389685c",
    "signature": "0x2ec55605e2c78dd2714ed160361cb243163e1b84b50902af3db36753cfb82f8265bd6767c98facef4aa1ea528ee44073dd10e7927c7231fbb93621ce78fd2a431b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}