{
  "manageEntity": {
    "action": "Update",
    "entityId": "731388658",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraugnueoqfbrp5bmstzn2jczcmc4znlhf2djzbvvuko6vkw3kxrhkq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":147288428},{\"type\":\"playlist\",\"playlist_id\":61447434}]}}}",
    "nonce": "0x4502aab320650469d344424bd998761c604a52ea95fba301dac7a4b740cf2a6a",
    "signature": "0x1182de91bd04abe63446e7e84f69a6a2445cf368c844e59225c28ecaf85f3acc415d452e554ed5a65b2935d1743a2036fda20f9f6e1f1d8030dfe3ef719062621b",
    "signer": "0x0Bb059fe8308cB4D6cDD7d79E6b2AE72b3b9DD2c",
    "userId": "731388658"
  }
}