{
  "manageEntity": {
    "action": "Update",
    "entityId": "486827811",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x830c62dcebbbc99a24eb75aebb8069e730d7836dcfd49340b654285073e16069",
    "signature": "0xdb83bfe4347b86d6d7ea629588531be68828de82ea45bde503c1d6bda9e1f00614ab0255af2fa3a96ebc0797b62c1a8647256bdf68e67e15a381d67f9b94c8291b",
    "signer": "0x092fc310728c8d52dE372E3e05C135AC5A20A766",
    "userId": "486827811"
  }
}