{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "768928502",
    "entityType": "User",
    "nonce": "0x117002999a206ca47f3dce3b4ccb72a44d0430d1e353a15144670fe1f8a33c3c",
    "signature": "0x659a1ad860efbcc9f923b3c45cf4fae153255a3058f550f17ea460e69514180520f990524cbc42fc43f35ec2230d1d2f87f9c685b138154c48d24efd69c7e1661c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}