{
  "manageEntity": {
    "action": "Update",
    "entityId": "526115802",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x69fba76a6bb2b2c9b1969abf0331ec2b2997ce47f9509921d32fe426e969bf77",
    "signature": "0x2fc0d8b82f8355c3739747e45e2f23ed5c89b66be08855656a39e7b612ea99f56d5002390eebf9cfbab2b016cc9e11201bcc931bb48b58116a145ff39689b1b21b",
    "signer": "0xBa01D2F72505c1d9136Ec9E5CdC162B697bC65aa",
    "userId": "526115802"
  }
}