{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "784246910",
    "entityType": "User",
    "nonce": "0xe82f58b70cad02e5cc83b2c18bc21873372743a4bcb2610c5ed3116338734e85",
    "signature": "0x97fad6047a527957d775f206a090eb2358e74933a7d6b33a0e176da093f9c3115b335e91a0cc6647c0557d5e50432d9502f5738bc96368381cff3dc9a39d45a91b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}