{
  "manageEntity": {
    "action": "Update",
    "entityId": "29417884",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraa6f2ql4dsn5taw3s4cuh6gh5qd7cyjponlpw5ypt35uuyxwajsja\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":402489409},{\"type\":\"playlist\",\"playlist_id\":154667889}]}}}",
    "nonce": "0x085503fdf7361bb4368aa855984a74cd0eae5294295cd94467ea35f13036b7ba",
    "signature": "0xff88494de17747214e8273ba81098029070a2d03a00fa0fda6414c94045b5b980d0a00134f51bce5bd18120000fab23b431a41656c147d82615aaa04ce562ba81c",
    "signer": "0xCf2eacf459f751e649a2cCcD396D5BB7c47B7950",
    "userId": "29417884"
  }
}