{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73341",
    "entityType": "User",
    "nonce": "0x582d094dd75129c79be8b7b5fb0db3d0198fcd284d254e715f5c317247358eea",
    "signature": "0x12eafdb3d94ca37e555c50abc2b66065205545cef85d0cfeb5c944a65f77cd331301c7d0114126b8e2c3c665c1f1bafdc2d40c0068279cd77100df15de4909731b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}