{
  "manageEntity": {
    "action": "Update",
    "entityId": "715009237",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierayaejn2gpkhddtza2urqyr4oafqwbny3czo2pgfzqc7xcakcs7swq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1807466901}]}}}",
    "nonce": "0x5a3689452318011c236607da265d51abb57da62b975b215c313cd8542d240792",
    "signature": "0x2a2fb7b5a25ae6cc80584b52478ef0cde5703242177a705c575465500b504e323edda26339505e10890c02e6c85f9cc0237079e39fecdd236b82f903379578c61b",
    "signer": "0xbC5983F6Eb5363a4d5aE09C68659BD9eE0208E0a",
    "userId": "715009237"
  }
}