{
  "manageEntity": {
    "action": "Update",
    "entityId": "601960765",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xfc85c06b022805348f1b01268fa61d6b8faf233859c5bfe6876a07a21f6b330f",
    "signature": "0xc612b4f21ba275db60955e70a6c9c2912e2de163c32aefcb1af6b022d27126782bd5b44deb0917a50348220071c59a6eb6c27447e226d997e4d392e6a9295cc41c",
    "signer": "0xBe29616dCa5369Ec8ADA015A7BFD39aE0ed8c985",
    "userId": "601960765"
  }
}