{
  "manageEntity": {
    "action": "Update",
    "entityId": "874488069",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x91cf559eeb948bb3b52b36365d492cd1afe08f8c65e73a9341ca771e71ee3a93",
    "signature": "0x7e5d1c5004f6b185577dfcad0a007a0855e85573ab042391519257bcc06758834dee21d79a04fc15156f400df3832444b6ea3588ac8fa104056d2fc310cb836b1b",
    "signer": "0xce94e7Ee987Fd1e98e49175554ec9aBa4969dd06",
    "userId": "874488069"
  }
}