{
  "manageEntity": {
    "action": "Update",
    "entityId": "31825",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xabfb9332ffec093fdcf8e085e044bff436e6f9be2f1c648d6a948967f1ea3e81",
    "signature": "0x079c2ecb02594a0e73b1aae9bdf02d341d9e90d0d23c6f38139ec80cd78ae4691656b004e114e2e13ce26f61e69f946b0c7605f5b4cc239f91819fb41e4e48851c",
    "signer": "0x15421F18004D959C79793F0AB31c9c9D388bafAf",
    "userId": "31825"
  }
}