{
  "manageEntity": {
    "action": "Update",
    "entityId": "336724155",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0d230b098b4efd44979ea36eafad0666b3f910b77ca5c55822ca320a5e5b0bdb",
    "signature": "0x6b78aaa37cf3f6a582d6645f6ee86e2f195fb00a61870d3a0e41e05471e90413089b77dfcaa2f6f25a3873ffdee44e629354d3b54ab267faed5aa69ff3a969331c",
    "signer": "0xBD9000Df880d31C60851f64a5B9B7d8483De896F",
    "userId": "336724155"
  }
}