{
  "manageEntity": {
    "action": "Update",
    "entityId": "29088079",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierax253ugmvurac6xie3ocg3fq7zgj26svv6phuxld4cvbufihxosiq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":86664369}]}}}",
    "nonce": "0x8e1f75c1b1af8711381e1c9715ea00d9e214c48a012009e6f10a8cfed090783b",
    "signature": "0x638e20b2212e7ce31db061a750968da3e8bc1a56f7b0deaf04dcbb6e1f6afc6f30fdf8bbc172be3f6337a1583123622b7e1efd0f4c8ab4ee211676f7a759443e1c",
    "signer": "0x0E71C12c426F5C9206F778713f48B60477CA943b",
    "userId": "29088079"
  }
}