{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "182733",
    "entityType": "User",
    "nonce": "0x7fb59071ad72fb5ee73df36248e9a9ef135b61387165f29508cbf742be8ecbcc",
    "signature": "0x99abfd6cb3f9a09f4f79a11ccedd65dc69f9c8d8868ed9384f6af4c0b5caec4074c142d59750a9663b2a94a3c61b2e72026d128b489f11870cd9c2f0de48fb331b",
    "signer": "0xa57b4357994d735DB3Db20349Ac21e880472e94D",
    "userId": "521443517"
  }
}