{
  "manageEntity": {
    "action": "Update",
    "entityId": "508931608",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xede5afa9dee90f1a2e3852cc7dda950ba7a818fef764dd676f4414ae8db499ab",
    "signature": "0xaaee81e2dfed0e7e84cd3989f1341e52ff43baa884476a31c17edfcb54261f044134928399b14b8bccf450eaffc6a3c9b80a77a29e5b9540e67a28f0cdbb4fe21c",
    "signer": "0x69163Aed5B32EC7f6C8a1e4aDEd7fD7E298F9521",
    "userId": "508931608"
  }
}