{
  "manageEntity": {
    "action": "Update",
    "entityId": "902776835",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xbe632abc03b098681fbdc36d0a7d5f880da535db062af7307c7a29aacdb6d562",
    "signature": "0x497b8a4ad5002996aefd17c5d1c376c7aa0863a55ffde5faf9f5a707438d51e35ac4e2698b647ba10638e62a96deb32f87c65436404352c24a291f4aa042ae241b",
    "signer": "0xb44Fcf14d066204053B4308e8e317ea4599bcC9f",
    "userId": "902776835"
  }
}