{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "83331354",
    "entityType": "User",
    "nonce": "0x959544b38c363ee4f118153bb5358a1474dc275f3d4ef931cf10f99e95162243",
    "signature": "0x0cfe96f11a103e9a1578ba7ab01a90ac1733fa9947ef5a2c3651188c841cd0804e15cf02e1cc6219e7e57aabace65d778c5cfaf7cc0417f01224fc950e4d17001c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}