{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65310",
    "entityType": "User",
    "nonce": "0x9bcfa91d4e56f8a315316a2016f82f32deb153517962a2a024c08f39ac2aa578",
    "signature": "0x8d4a7de7ce92016921c9f2346b65d7dc478b9519d5c52d30d998797a0d76439921316901227e76240cb8ef70d47a1c0ae3e741fabc3eeec128946b5374815bfd1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}