{
  "manageEntity": {
    "action": "Update",
    "entityId": "31655393",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xaeef6b8a5bf74d0c818013308d308ad4287e160a1cb138f0cb026facab774100",
    "signature": "0xc2e0ea5d7f3708d944233c1a5e7cb953d8e193a9f87a907799e13ebaea6702023ccff133ecffe62d33d23c02c5c4a8f029b4469bc85db635ac947176bcd1e0581c",
    "signer": "0xc06d2C8556Fe566F7Cb7450eaEf103FA276a5Da6",
    "userId": "31655393"
  }
}