{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0xa0715918c7ae56e52f5050179084ee33c8e3c0b2f24003d9612966e9f5950869",
    "signature": "0x1154beb3d8cfaf8cf441468c9b35be3e2e0ff541657c79684e0abaebd9efc1f956e81dc6c3bce048569dc2d64df598a25254ad8841b8180f41ab99631a1052ab1c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}