{
  "manageEntity": {
    "action": "Update",
    "entityId": "358472473",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera36o2ltyk7mlbi2l6fbs25nex4qfbxizy6xgysbrx2i2rfrmjvc7a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1273638039},{\"type\":\"playlist\",\"playlist_id\":1171419971}]}}}",
    "nonce": "0xed588a2442164f8532da0abffbab1a1440e60684cd37087c63327aa9488627f8",
    "signature": "0x45a5d24cbc7f659765bb087a01559afc4dd94a99b5167daf38c6b7752864c00f72b58012d8aab1b9e649657eb3002c77b47d56f0241868cd06b28e6bb02248e11b",
    "signer": "0xB60F916E7a1c9269b7aB9CD83A0530780f4e42E6",
    "userId": "358472473"
  }
}