{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "335048",
    "entityType": "User",
    "nonce": "0xcde4190200987329bed91781bfa37a7b13a5fc86cabb5f171e154848a742b4d4",
    "signature": "0x60f305342cd1b645dfeef1368156e697cbb1e3520ad833d40ff9eac4f82986096b7dff3e2424d517085cfaa58cca53df17f89d58304c70b4d88328be3fb914791c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}