{
  "manageEntity": {
    "action": "Update",
    "entityId": "823471573",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x24fdd985cdf03dd653514b62e060e93f396608bc037d09c1f5237d53946ec622",
    "signature": "0xb241595944b3ec7046e58d3495dbc320082848d20e755e690a935ef6a7400ca07ca70e1891714bcdc3b3c6160e9c3378b3ecfce1a09b6ca160661bd8ae3112c21b",
    "signer": "0xAe945B3C2095A22e11eaC04b4682f81B3c4FBD01",
    "userId": "823471573"
  }
}