{
  "manageEntity": {
    "action": "Update",
    "entityId": "344379408",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieravq37ftkkb2p5ptaptw34j6g6eskbxb4fotuq34ewpiaw4yzmwsfa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":577807663},{\"type\":\"playlist\",\"playlist_id\":887804892}]}}}",
    "nonce": "0x293ffb5fbb29af8da94e1ab4bca202354dd6b6577aacac91ec3c5e24c64a982f",
    "signature": "0x32c5a03462dba2f7171ca81fdd0beda609a3bdc3e6d753808c75a1fbe42099350c8aa745baf32c76b422c13a5c133a56616ea92bd0544c558505bb4c1fd80c271c",
    "signer": "0x0A953F35052Ba3cFE0F7447b21748100Fa9556f2",
    "userId": "344379408"
  }
}