{
  "manageEntity": {
    "action": "Update",
    "entityId": "283361228",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xba4053b2e6d506bbcfe4e39320bf45dcdad8adadf725b320ec3f79318526c46e",
    "signature": "0x523c5e7ea4682d640d5c2a8d57171edebd9fb8d8ea0e820341ad5d8378c87fab4fac632cf2a4b72d42cb73f0edc718c0e5749e9a9ba982dde5e62ce3469b04381b",
    "signer": "0x7057B81720E7a6f6915A2994E8B03e6d926eC1b0",
    "userId": "283361228"
  }
}