{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42665",
    "entityType": "User",
    "nonce": "0x9ed0ce83d7b4b7d8f687016e4247c1abe5a95a92d1b320a2afbae11946ee2d7b",
    "signature": "0xb881717a69082364a8fae3ab949f61aa77a50a16d4263698bd3dd38480bd2ad45dff7acf62bdfdc36c1586972a4d7b049f90d3c0ec2778c27c4b501bba751c061b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}