{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "423",
    "entityType": "User",
    "nonce": "0xab4d4454c676290439878a792cfe35f17f9358bc685abb7aed0054195d6c0c2b",
    "signature": "0x0e8f50e81a766d90ae420d5af5a1016f254608e29dcd2d370c45e3cd8596c646519d3ab336aebd29117ec1774038f3c2b9c3278616801a888e412f0d16fe5a3f1b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}