{
  "manageEntity": {
    "action": "Update",
    "entityId": "930109695",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xaaa925b2509c9e6b8ad0b095f855e75a1294f5efbd0466a851d3e10c2862051e",
    "signature": "0xcf90e70a83810f8e8c3db0c9cc3f2515989e5986522be9a12539b0c7c4904ad678410d8d21758eb4ab3cfbee1013179cf89ea04217eef3c761dc875e659d9acf1c",
    "signer": "0x1B42048E0256C71956084AEC06ff62eC67297cE1",
    "userId": "930109695"
  }
}