{
  "manageEntity": {
    "action": "Update",
    "entityId": "863627153",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xdede60788e6a9e2ab98ab43a86137af27a93ab08f1c981544b1b17f62716069f",
    "signature": "0xe3681c581250c7336787ade424aec8610ed74294f18364db193ed50e7d387cfd35f3fb13d3009cb9f9d70dccf09d370ac6f267bd324b82b56e99a227afd5622d1b",
    "signer": "0x8a530c253eb725Ab5F7961A17130452e9d888803",
    "userId": "863627153"
  }
}