{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "318152",
    "entityType": "User",
    "nonce": "0x42a0e9f04f926fb9b62d46df72f81921b5e3cc2759108898e2da815d146f2df7",
    "signature": "0x0e9046c543e580cd7f8dc7097705b0f76566c539cff252fa103cf77b41b57c267d1c5a53c723d2d517816a57ba5434f77a33bb702abe71949513e902c8ab0ca91c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}