{
  "manageEntity": {
    "action": "Update",
    "entityId": "368540364",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera3snpkytodwub7hfh5wehorh3nencrrqsz2cxd77sb6umephsvqya\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":23746812},{\"type\":\"playlist\",\"playlist_id\":425418181},{\"type\":\"playlist\",\"playlist_id\":1116656443}]}}}",
    "nonce": "0x7154ee6a5ca1e904a0a1a3858c2825653056e354b5f486035ee71dd55e20082b",
    "signature": "0x39d185a31c6a1a4a004cc302f19158b5c739456591f0d447d2ec016ff2f496510a5a2395016eaba49108bff36813bca4829fe7c12481ab2bd259d4ba122b5dfc1c",
    "signer": "0xaA6C386d1cAB51f0Cf347DB689752b0BEB084636",
    "userId": "368540364"
  }
}