{
  "manageEntity": {
    "action": "Update",
    "entityId": "182395294",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraoys7lcvnl3ldw5rawxkskf7vnrgah7qonzucwtocmre7twvkkaea\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":774035500},{\"type\":\"playlist\",\"playlist_id\":1199178963}]}}}",
    "nonce": "0x3494f9d73f59ffb8b90b31711c702294d5c2e194cfac64fc0068fee2ff49e2fc",
    "signature": "0x53e0de0ea0a2fc8e4adb14f3675d4bdc51be8e4616eebe491ca7d951e7d5c0ce166458c5a787efb7ad96f34ad4c2d96a124fdf25dbfeb8eb6609c65b0de0a67a1c",
    "signer": "0xc94CB6e3FaD02AF27b7535c918dd8582DE31AAC7",
    "userId": "182395294"
  }
}