{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "166752",
    "entityType": "User",
    "nonce": "0x035c1fedcd1c193430feaa49b49c9613ade35f6e66d481ad9dddda104d75ce0e",
    "signature": "0x7ec7f5a134786c0ca0ce24f1874ae9e4d55e7f44eb15528be11e134d8c1e6df62ee6391b87c8792d28e36c14c13d7f7d31ab3d4713db77f357a9a4aafc66668b1b",
    "signer": "0x72bB0dBD4F0c2040428c41f3581607C6b41e8353",
    "userId": "959678379"
  }
}