{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x397835fe92b42d297dacc4033d51c65058dc028529f63158fde5c31ae3c3a2c7",
    "signature": "0xf3b19ef27bfc8ab82a8b0e1fbef1bf3e9add675cbf8118f34b90bfeb2077662d0f7ecc5136cb7bb07260c2395abb04a8d2181ee1fdf446a66f1e6d34812318791c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}