{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77628",
    "entityType": "User",
    "nonce": "0xbf2d0b45bde98adcaa9e4cd94bb3a600040741638f14d846f011697a0cb81eb5",
    "signature": "0x76091c46d331664b2dffcb9dadb214a680f6ffcfa4aaf2c33f46fc5e151ba7ae0dbb2db9661df87ed4bd8412b2974164c4b6b34cb3de82e7e522ac3b915ce96b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}