{
  "manageEntity": {
    "action": "Update",
    "entityId": "708281325",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x65169e5c767f120129b0f0519269ecaef30f011c12ccd63c80620a021622e3be",
    "signature": "0xc376a9dd60e2a1ae8b59552934fb2be82649869ce95ed1e32388245912604fe8793fe585dc3e516af01a7ce12b4839bf396489562f8480cdad5b099d1502f8681b",
    "signer": "0x95039C5e9fA958bCe7C8bD76e20eb23F4E531e54",
    "userId": "708281325"
  }
}