{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827420993",
    "entityType": "User",
    "nonce": "0x7b04750d8f3e6e00dc7e1abc9e9adf7f93b28e75867f40ae6b17a6a9cfbef69a",
    "signature": "0x27d94407e33d545675e811dfdedcbcf5da2111ee0a097d7802f1dadf35e4afba490ea953ec2218cf2649a2de6d8687283b11ed752d1902bb3681d912cbdcf6641c",
    "signer": "0x12302E88Cf971407d5bdd167b1AA2664556D3385",
    "userId": "68176371"
  }
}