{
  "manageEntity": {
    "action": "Update",
    "entityId": "932558034",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2339c08f63ee32470ae774fde97bf202df1f4b4df543a5db8da4572c01271f03",
    "signature": "0x07f8b572eab77fffc7370a430640bb8bd896e2212b8574c53634ec7dbf5e732e702f682a464ac587dc4ec96b0aebec3b034c705daf6cabe1c99dfc7a029880601c",
    "signer": "0x4bA4213C80958379954B7e806dF6c25DC25C5666",
    "userId": "932558034"
  }
}