{
  "manageEntity": {
    "action": "Update",
    "entityId": "360694989",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x39f20e9b83d302149f0cf9e5aed795fff74a1d85b4208c378935ba29bea1eed4",
    "signature": "0xa413e949df2158d95af8784c4eb20936a8176ac52bb1f86cbb4e87d5a83c1e8a2cb2e89aa7623bdb8b30bbeeb8a9b232b2911a89e7dbe8b17eb4795ac97e882a1c",
    "signer": "0x7a9beB830e77B75f0272D0090867Ae03DB123B38",
    "userId": "360694989"
  }
}