{
  "manageEntity": {
    "action": "Update",
    "entityId": "791523330",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera6dw5sc5ujhwfn4ly27wz6l33uetp5w7tphfpvxksx6gz4ekjeeha\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1915540650}]}}}",
    "nonce": "0xcf6d0d2897792be3bb5985d39adbf443a924c93d4b0c3e0a74ec0b2529591358",
    "signature": "0xa9bfce9c4048add14a19a20cc4be79d698b50d684ffe070ce2b3dabb9afac5d13b92bd775448cf26e60626eefa0845c35fc8fec9fffb0031dbd4265dd7880e891b",
    "signer": "0xC30AC2fB3d662DdB28d2d773D62C6dB967b17562",
    "userId": "791523330"
  }
}