{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "456716469",
    "entityType": "User",
    "nonce": "0x6bf5b893e62ccadbfd7db8d3f74e2193e5c10301cd7a2c82277f11c7444c61c0",
    "signature": "0xf3042f9fed6be43252f3e9457b92fd70ee9864aa5c8f4e50787389bb595e7adf450acaff9f12c5aa813c3a8266c2fc8fe186bfa3bce6b8f695d46a0432d34f4d1c",
    "signer": "0x5519273e7F56179D149833bd4B08c25Be4fC65Bc",
    "userId": "35859"
  }
}