{
  "manageEntity": {
    "action": "Update",
    "entityId": "442236242",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa5fd17afea7473c9a8221e04b9baa78a1c97e2a9f4382a61199b466ec24b44ad",
    "signature": "0xef2e8e5b036e65c6d3ad1e33ce5ee673d962b79c225a4c4b7d33b002cffcde71743ae6e2f3885d1b428d2231865dae169857aa2cecbdd512937e48a92b2078501c",
    "signer": "0x2D3840a33922D3Acee3Fa7CE009D11DbE1847C84",
    "userId": "442236242"
  }
}