{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "922167163",
    "entityType": "User",
    "nonce": "0x378725d35d10107ee20a3d44f4543745a963f32f4db2f3f1d56d10cf5ca03795",
    "signature": "0xfd421fd070377149ab880e2eb6216012c97e58d67591e64a9b23ff489b14e19e330c000e6959fa70f0d2cb8a0cd5476389894b5cfce167331071fbcdd8cb41ab1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}