{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1346",
    "entityType": "User",
    "nonce": "0x4a2b81e5cafa332bf9c51e6d059fd6ba23610842f6bf6fa4ecccd64be160365f",
    "signature": "0xa938f4930209b8b8d974e22ec84919adbec96e8598ccf876883f45d766c6e1dc4c08bd0606645779cebfb93d3acadd04a57b79fd7eee628bd0edacdf3fad2cb51b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}