{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "172178",
    "entityType": "User",
    "nonce": "0x6389fd9f6f526835aa6ddc6fed13d460a08fc50aae594610c294bb0f1a8a7f98",
    "signature": "0x053cc4dfc94c835cd240aa956de90aaafdd3ebe0f73fb402f45d3b86dfa5e7710ba1ae6b0270ae82e600838d05d4ed06e261c0946d4b9f91376683069f3edd721c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}