{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "398179",
    "entityType": "User",
    "nonce": "0xe13d8b9190ab5f30affe1ca0ce1243e992fdac364f8d2436ab792f1557780be0",
    "signature": "0xbce30dad2f2a731061a056b1de22180ae7fa072981d2ba17613612ce6d6d279f3c4e18a39539839638bbadac94db933eab1b8a02839932227dc650de2d0874fd1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}