{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1468629",
    "entityType": "User",
    "nonce": "0x26ed6353354f8cfd2e2e9b91b0077bfd65fe3a643f8425ebe67589de0591d8b8",
    "signature": "0xeb7c3f3f0c676bd8ebf60949e822d31a480649139d8a39dd89cc882bfcc5e8b25e9e9f74eccfb29fb9d11f60093b751a722ee56d78c935dd5b0fd8ee6ae0d4351b",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}