{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "832058678",
    "entityType": "User",
    "nonce": "0x90b38eff9a53fcde8b12ddca034659a92f2a6388a6aeb5d858bf475b8f1a0f39",
    "signature": "0x230c2feb450b3ceeaaf4c71eb947b7f6cf53555b3b98c60e54a6986924f428ae155d703eda0f4bbead33519b7fd8d13f7b0003b7f6c8e7ec587d3be64ace35ab1c",
    "signer": "0x0C73Cb0314281db439083e5ae4b1443Ac537a76b",
    "userId": "346579799"
  }
}