{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "294",
    "entityType": "User",
    "nonce": "0x88e0d87962ecf5cffc39ecf768261a41a917db9591a4fd0b5b911d948297d519",
    "signature": "0xeb4c1f252430df35420cb67fe75daf805da0accb2e501257cd9149c13e5bd3855995707cd482ae0946bd3f01a476bbb5af0742ec31e1586c43afe661114191971c",
    "signer": "0xca7c61d7Db568b81B8A952B917F45dd863B736F1",
    "userId": "144109"
  }
}