{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0xfb28c908d9d92a8dd25bf0d4ccf9fbdfed116ab115f81fc23b84363eabc9d780",
    "signature": "0xfa4a7f253ae068e08eda9d699bc171d02440665aac2c5673e124fc180c73396627c1d3d9b41da35514d9c3d84819075d96b438749ecc5b1017cb9259b69e60591b",
    "signer": "0xAEc4BA229696a4DAe2125cD32943943AaCa0CaF4",
    "userId": "354024696"
  }
}