{
  "manageEntity": {
    "action": "Update",
    "entityId": "368540364",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierab6zsvd6lklcfon4sdhn27zpi4isqz4fzw4j3bntk6tpaf7gbbmuq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":23746812},{\"type\":\"playlist\",\"playlist_id\":425418181}]}}}",
    "nonce": "0xed1bce76df31beab619a984d2c692e4bc61b4d68c301a17043003ce8ed43f3cf",
    "signature": "0x6e8f9b3582ae314c01e57b22b82df430e8d3a987823cf6ae4cb09131c6c1f488116fda6d263ded28974123fdd0c6ed06c7b39fb8cdce9cad13062c96eda040761c",
    "signer": "0xaA6C386d1cAB51f0Cf347DB689752b0BEB084636",
    "userId": "368540364"
  }
}