{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4760",
    "entityType": "User",
    "nonce": "0xffb316381b7bcb0d42b907ac0d0ebdd4b9e9f6de4853f5911c20dda5ec65b410",
    "signature": "0x16b375aa40392791c27bdc3398bc633808f01bf3a3cd1cbd59fecd361c8a37a136c5669ed6809b7a3c7ea48bacd2dcbf16bb8a4f03ff428891f2aa265c3acf4a1b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}