{
  "manageEntity": {
    "action": "Update",
    "entityId": "119307795",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraexgyiwyahrqgdvo6hwpwxlktjm7xop6taayeql467m6c2bu57cjq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":755355183}]}}}",
    "nonce": "0xebfbaf89a5d412e8c979fb99a4bc5caaf6d021750f284ec5c3b3d6eaf5c0939a",
    "signature": "0xaa7717026c3c8cd7277c99273b7caba440dc69e7a7db7a232fee6a638dc596dd296ec1bf3ea553553c8237a3cac9ff350aac08453fe5204e99a7c1e0530a1b311b",
    "signer": "0x332ab1162aA82B8ba48d0246f9F2bE54a69B4915",
    "userId": "119307795"
  }
}