{
  "manageEntity": {
    "action": "Update",
    "entityId": "7339292",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc07de6b760616b29025695c872724b9d003cc7f7ea224d60d424472273a672e8",
    "signature": "0x0d6872978dcd1a11962ac8adec43fcae214a6191545cb9d8de6ed778d856bbc31e997854bf3e661e8c783b463e5db7435767b400a7c1b963adbe506c2bc4f43c1b",
    "signer": "0x661038958CaBEA62127d3E61af25e811a6a1538A",
    "userId": "7339292"
  }
}