{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "36543",
    "entityType": "User",
    "nonce": "0x93b082ae210cb3e195bd5d361ffd63d4bf5d96685bcfe7a8d0b0d1306704b3fb",
    "signature": "0xf2a3c27739bfde0fc3715f2e9c8718132627f0d39f07e68cafe75ce3438735001f291cf34a328bc3b87a5cad8134a360569ffa30f15814f862fa2fe27177bb161b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}