{
  "manageEntity": {
    "action": "Update",
    "entityId": "582313232",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x558b71a37c71f42a8147b9a547a59f814423590146ab79a1df109f72791bf81a",
    "signature": "0x454205fc1e8d59229a1d3e6417432cfe672bf3c4dd7fe2f89f88c17bc875c6c537f29ebe736944c13138f3a228e8bd1cb38e4a07edbb89f8f9c6159aeeba3c3d1b",
    "signer": "0x5d29D6e39f0D08D00F0809aA1a4D02Ca315907eb",
    "userId": "582313232"
  }
}