{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "761675",
    "entityType": "User",
    "nonce": "0x7bd576fbb3247de6b19393e36af64a7a5fb22be587b52ad2716d9fe8309aef45",
    "signature": "0xd888d688503d71a80295504915b9ff9717b2b9b471ff9ca571b4b9f85103b71516b3ba2a89f385a2e7b8080c0140e0348e8a199307c61bfacda3af6f91b2730c1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}