{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "656970824",
    "entityType": "User",
    "nonce": "0x839553da00a3de23762c9451e0ac1753aa9202f0f460101c2c5230aa3f21bddc",
    "signature": "0x494ee0e8761ced874317a0ce4ff24b5ad08552e8e779168a0df537194e0f18ea2b556112d0bf5a8c09c8f7304286e7b9e7dfd2b1915f240d30ebc932a987191a1b",
    "signer": "0xC7B16Eee24C03712c67aa884907593f4df23db87",
    "userId": "56534466"
  }
}