{
  "manageEntity": {
    "action": "Update",
    "entityId": "244590775",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xbefe70eca27f9e4161b77d80bf2b41b55cbbf0eced9ce65ada231f872d9729d8",
    "signature": "0x2db7c8eeccb0c755c59963cbe84ffdc3e0ee2e22a4c4306656a22a99dc1baa6974bcd7bd89bd9b5fbfe929246cc4091d5d20869140edf30e45948aae36b92af41b",
    "signer": "0xbdc5a1ce67608344E949137494232028C5ad664b",
    "userId": "244590775"
  }
}