{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100964",
    "entityType": "User",
    "nonce": "0x85000a4ff2d7c1a457c5e347e3ab052c602c55d4ad8d739276fd258b3160e999",
    "signature": "0x8a89da4e51c011f64ee3ec24b91807e49668874e261172606438bb6b63c152d61bac105769fa01e6c53b8c2763308f98b670a5927da18c3021ab0e0be63138da1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}