{
  "manageEntity": {
    "action": "Update",
    "entityId": "328274267",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierau64cetpogzlrpjqzb2cqwqgw5ukeajgv2uf3i7tuxxxszx7hqrgq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1890616256},{\"type\":\"playlist\",\"playlist_id\":1675576166},{\"type\":\"playlist\",\"playlist_id\":151131896}]}}}",
    "nonce": "0x74a8bd692143711f3c5604b61380bbe7330b39236409d903e5c0f693bc1086ca",
    "signature": "0x760b79d5acb0ac9b0bf09ee5205252638ddf8e574662844ab3a96963d80bf26a20b9217462bb1a0e163fee36ddba8cae30546e665d4d1a8609897212e360065d1c",
    "signer": "0x3A2C2d6B2b96B324aEfe2Fb682DD70531b2De7d0",
    "userId": "328274267"
  }
}