{
  "manageEntity": {
    "action": "Update",
    "entityId": "778711841",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x9def8167d571212e52c0e632fe6f6f09c32769d678e93582be800c4bb94d811f",
    "signature": "0x0a1268b0d9d9ce8ad5abe0b411468f50e06f8abc105d2c16e4688e6a192f6805087106d26263874789a12b08e410a7a4b70e6e45f47beeefbad305a0f2f0318f1b",
    "signer": "0xbD56696c01202DC6844dcefb2Ef5a0706C91a782",
    "userId": "778711841"
  }
}