{
  "manageEntity": {
    "action": "Update",
    "entityId": "32433937",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x8c043f452d09aeb6f57fe7b778f2c31aa75c2defa29943b5a56e2093fc2aabb7",
    "signature": "0x819e4d09f4bec474d3647ac3a69cc7eb1a128452622a31a245f4672148e7210d114c3fe798c2b3e52d233ec052269f51d93e5e626b15c431e4d1d99a74d3b3cc1b",
    "signer": "0xD5CFa311B729c94C5170269F7048C79eA3B78c83",
    "userId": "32433937"
  }
}