{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175162",
    "entityType": "User",
    "nonce": "0x905dd1e09b7d25061a21712c273e81d0cfe9bcb9038d871feb38388ec4f038fd",
    "signature": "0x568b588d87ab8339e572d672d5ef2d92f8e9277ffb5d1d229bbb67c2c3904ccf1ae6494d8a5d840e9ad4ce8126face47423389f056d288edbf9623ca98174d1c1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}