{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x3bee1d33f3f0cdeaa01e1c3f962cdf3569daabc03e30840ec2f0920fd6fd69a2",
    "signature": "0x24107376d28a01142798fc91e73eb8e142b09ad99340b81b25485af2dc89f8a91854fc1f9143f08eb6c673b72d79e5a95df21e7451e156873ee003e0b8f6cb4a1b",
    "signer": "0x05879c5e12AD06542dCf5d3192dDDeaa2faa3754",
    "userId": "445555"
  }
}