{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "363994",
    "entityType": "User",
    "nonce": "0x6e3d086189a65336b3ad71d0ed9cd4f6b5123633871d8b70fae2cacc6514432c",
    "signature": "0x73280e6cf790b20df566aa0a0baae1b769849760841d40f757fe917c09cc18375812acec0abd35b8998720c61d4b3d4bf94239c546db5946ec0c8b41730ee5c51b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}