{
  "manageEntity": {
    "action": "Update",
    "entityId": "458060869",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x726321b76dce2c10ff219b2ae4fe31488b62a72df6083774c6ed2c97853b60b8",
    "signature": "0x9fe070199b79881350a82f64566d14dfc1834a35a6f4613fbf3e4ed07167733a46602f085b40b6ebc172516f51d99d65130d5ad754e9fabb6914cb885882b9cc1b",
    "signer": "0xa94e4C47a5C11B5C0b4EC90e5166c3AF602dA094",
    "userId": "458060869"
  }
}