{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "868248368",
    "entityType": "User",
    "nonce": "0xcdbf2e7545c5f9768476fecb5ef7ae2a31926e11a4de8d22d3b774cf89a1809d",
    "signature": "0xd2cbce188f41de623414795a75a70af7ea07665d15b0593c464ae09f2b41ca592ed7367183c3bfe6de9840ff687ccf5fd27ca36a6e54cfd4750342a4c4f2f5491c",
    "signer": "0xE6a2533061175ED4c7f073A7BE3dc4189A4DE47E",
    "userId": "427249190"
  }
}