{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "783177",
    "entityType": "User",
    "nonce": "0xdacfc6172e678d50f85dd6c8b61c76c96fe2a46aa73ce8297f898c112df77a57",
    "signature": "0xa3a1e85f59a9126ebf00d9d35872cfba27eb4400154a373a2e3598daf49928fe4722992c115a99a8228052e99125179a318f9904ed72c936aa52948f80a5a1e41c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}