{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "152358",
    "entityType": "User",
    "nonce": "0x487cdc239edae427ae601f400bf26a568efb3c02d245bb25b49343b6d5323886",
    "signature": "0x773eb5cfa177a9d9fbd8932c0a87832ff9654824049cc3b91c4de906b6ccd4ae29877a357ac6e318ba4fdc02a383bbcd6998e533f9bbafdab546072caff3969e1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}