{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0xe11eb8c9efe2d283b5421539d835f209351c8a912da37a484039c1effcd33bec",
    "signature": "0xe3fb593a6a728ac709a042eff7ec8fcafc8a30448da2d3081853b7e1ced287c42b38df0fc610f34bde7b80b4d2ebb787ecd7256f967893009a64fd1b4e80393e1c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}