{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7367",
    "entityType": "User",
    "nonce": "0x54bbea6eddfed16daaec8671baf2b40a62242e0ea1682d88d84f073b302ad6b0",
    "signature": "0x30f3ec4b5f7c4648cd6a7bf9f99536ae0a2350fdc01d767396421e27a22496ba784b12da3774a31736059b8de956f7df5e1c0488d37979968f344cffa0c822881c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}