{
  "manageEntity": {
    "action": "Update",
    "entityId": "859334045",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc5379b7cf64ec6785a95a06104c72dea551ae17fb5f270fe3c91e45768c3735d",
    "signature": "0xb3647549f7594dc54b6398fcd102d5ba9d5db6e82cde7379b4fe11a0843ddeed0a9d99677f9d1ec2abeabea5dd018482a8d0259054193bda3ee585c91f70bcbb1c",
    "signer": "0x02e56ea7E4d2331ffC84520B8F57F053465cE63D",
    "userId": "859334045"
  }
}