{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29255",
    "entityType": "User",
    "nonce": "0x5ad4cabe4758eaef3a1adf7ceb7848c2ef90e2001579f9ae2e94b41b120d509e",
    "signature": "0x6b6f0b8258d755c06e2b9ca2d63aa189430795f1d3f27222c41a9043d53eaee0590e384be665c84ac27081e1a7d47ab8abe9d6303523472730dd2a60e93bea581c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}