{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "142974",
    "entityType": "User",
    "nonce": "0xce1cf7a5b05eabf371c2b16c820d311b50b63c5df87b6775727037a780bfe4d0",
    "signature": "0x96662c42e28b72c67be31b4a6c4860c7dc4baecf32ac41d1c7288b07ab3fed872127595070285567ff1e30140ce86c8f5fe498055f0812e650d7973ed70737831c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}