{
  "manageEntity": {
    "action": "Update",
    "entityId": "130211804",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xda098232c32b231cbeff0987f937682d7ff079761e0f4bfb080d4a48643bea33",
    "signature": "0x83a6ba32fd4765c796429b22a27c0ab2b6c964d9487d1e237b0ef4608a67457f58f31511125eba9f0972aa7f51cc87a75b35b41d9bae6b411a0ea1c990095cd41c",
    "signer": "0x7af46D076Dfc4AeEc0Fd675DA8515B4E90149C52",
    "userId": "130211804"
  }
}