{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56670",
    "entityType": "User",
    "nonce": "0xf36c45fee642eb0ce5bff32ecbb6fdd675e3e564a92848211f904b95b3f3543c",
    "signature": "0x9d38d82fbae6377bc51d0b0e161a98f28b7215afc2a01b6444ae4f9c9f7f3b692caf25fa0aee1155421b3dc95e3923106f69cfdcc0f55a79865d5b75a8ff8c1c1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}