{
  "manageEntity": {
    "action": "Update",
    "entityId": "565259717",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xcf75296e1e433a47e8997f8ec2a33e12884c25e9f1c5390477609bab3b7db829",
    "signature": "0x3e9cb50b109dce57c19630287aec21b0645f87f5fb713b580aeef7a30048fb903f0394437e474a62157f9237ae11db4a0a2eb1aa7e23e9e0b3791fa1ecca24c91c",
    "signer": "0x05950BA6A091866786bF1211B0167d8F18D6325d",
    "userId": "565259717"
  }
}