{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "912588066",
    "entityType": "User",
    "nonce": "0x5635b704ce19474101e3807cbacff85867dd0d87c54608c907fdc5af25d3ec49",
    "signature": "0x5d2a7eadd317780749b85f1bd96fd35c435e0ef16cc46511a19d123116078cbf420c228c32b439c3b57890dc41dea49bee3a02b6d108b12ed6f4a93a7de9b1cd1b",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}