{
  "manageEntity": {
    "action": "Update",
    "entityId": "230937295",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xedf9dcbdeff5e3c0166d86411a41a7b6d4ff27229498552ca2965775c9cdb689",
    "signature": "0x286fdcaf46c8e8a75c090f9b19f9f97f0e305a59a55c8a2d4cac0b2f9a77dd6c0efe350d506dc6b5c7e8d42fd6b275cc950106aa5fc5d588e285e43afc7d3dd01c",
    "signer": "0x4859cb73a2827537B204400dA4826114041Ea722",
    "userId": "230937295"
  }
}