{
  "manageEntity": {
    "action": "Update",
    "entityId": "366953361",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd8ae66352a28d8acc3636f1930986695bfe1a1d5ecc0955e59f4b24467b40ea9",
    "signature": "0x3fd8080bf46a5d215f5b07d84e44b3fac287670e29a08a1f52bde45ca8a4a32779e77a89a866e67dcdde97215f640d3c50aa2b746930c4eb218a5d3204dcb53c1c",
    "signer": "0x61759FD9d69b6C29FE84fc39eaB6C50Cf7dCd8FC",
    "userId": "366953361"
  }
}