{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "176016",
    "entityType": "User",
    "nonce": "0xcf76c2f797c46bbe5e45b1c0fa8a5b275a84eea03b733ec5176e41201011023d",
    "signature": "0xc72c87faa323b1faf884614f1b3e9324bb534aa9777e8c15116e72bfdbd1866f12474424fc9ddf1e0144b9c91fafb12d3e9fd13ff59c3ecd4b26b7bc7c69db8b1b",
    "signer": "0xFA54BdDbc2fd0fA514bA36393EF2F5a80Ee9C49b",
    "userId": "428192787"
  }
}