{
  "manageEntity": {
    "action": "Update",
    "entityId": "357884806",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x32ecf42afb92606346f8830120eafa2e4c42f16f239352dbe029cbae386abebb",
    "signature": "0xc4b112128a82a1333b064f4a5adde588d188aad82121fc7325a0c2fb950547200571603e50df3ce1068cf583d3f5883bea333460e858b2aa8b91f075a4c382c11c",
    "signer": "0xd4d3D88F235bcA55Fe64abc26C8029Cf3E60D4Da",
    "userId": "357884806"
  }
}