{
  "manageEntity": {
    "action": "Update",
    "entityId": "541773665",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraqngm5w372wjwwjcgev2obembmpxh3w3pidc732ywklvhtqi4okqq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1046158310},{\"type\":\"playlist\",\"playlist_id\":246984369}]}}}",
    "nonce": "0x527febbe5c5da8d4a9237c0b99a46b74c3ded5073adbb08949153f69b5b85492",
    "signature": "0xe0956c9c2f25bb48533f27c25bbf2fec32ac789221eb5997b0c98d87f7aa30f50a649458719fabe2335417c095121af304f8f66bc14295c4dad847eb6ae0c10b1c",
    "signer": "0x82F6BFd1a013b21C6F9Ed354701B83e820BE205f",
    "userId": "541773665"
  }
}