{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "685704184",
    "entityType": "User",
    "nonce": "0xc6256f8f6ee7a7fe89e81beeae2fc5704e93153d82f6ecabc0ee61958a7b48b4",
    "signature": "0x8ede95ab7cf5a7b0c2847df21849d1c1635dd2404d63a5e342e055e95c0b325b00706d3f43e925814b1b0c7a6c67387e851d376fd4c7f016b5b59e8b918f39541b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}