{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1456528",
    "entityType": "User",
    "nonce": "0x0e3a1f0edd494722b95188273a879df612b217ac0e8b21afadd9995fa44d3f64",
    "signature": "0xa9153fa89be6d6cc3bfdd0dd0bfb8577dc3fd7c9d177eba8443438be885ac39258252fbd57e8886345582336a9cd04433072b2e5df4829f1bc7e96836b08c2b31c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}