{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "75843",
    "entityType": "User",
    "nonce": "0x25dad0966dcb93685e6df3b9a7b4ad5c502ddc25ee7e19dc0505018d787a7cd7",
    "signature": "0xb6597256126667c791155bf365a0a1377969aa54f4f2338f99becbf96d2d6397309c3e89b67a087f1e6baabfd43cf60fa821afecb588faae8d4d86762ce779751c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}