{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "148053",
    "entityType": "User",
    "nonce": "0x7ced562f2e10226be0d52dba8b1587bc2fc820c1e1d28febe4e00379f252f89b",
    "signature": "0xc573d66194feba896f519ab9619208b5905d754b080d43e90812c9667e540794635b004f709be0f33244bcefd3d526b1c2426117c99f2ca872f9c399fc2c0bca1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}