{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4686",
    "entityType": "User",
    "nonce": "0x2fe589df14ae8d3d14cdbff76412d431f3195fce51136ce1bdbee684347e43fb",
    "signature": "0x63ce12b1a65915c5ca5ee7af14bf1b5c3e4c5a63840a72a75f94743e85aa740c4170ad57b59f340ed2dda53b2d48713428bad548a2106f80e7b58c9f6b3dc26d1c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}