{
  "manageEntity": {
    "action": "Update",
    "entityId": "842043513",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraaf7vgk5a4gglsvy7wxrhmmatvqnqwp5xukfin552kdb2pnozkneq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":2143224101}]}}}",
    "nonce": "0xa95bf58d8101380b2274bb29c778b74492a7f94b800745e5b4156238f27a52b9",
    "signature": "0x6ed9010a202a38267cd5e60b1b54e73c9f75d28787b5944ea465fd86fed05f9e7f5d348950a76834aea2789935652b3120c0f7d9f4e724c2eea3a1ee5ebd517d1b",
    "signer": "0xcCAe7e3D3B788aec9A4C39797101F323f7E87E55",
    "userId": "842043513"
  }
}