{
  "manageEntity": {
    "action": "Update",
    "entityId": "970267617",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x99a5d7a3ca8dad2e2885286e4b1320bb5ee2ca733a19537705a159d6dd797215",
    "signature": "0x55f1b44a39e0e223a2c7cc6f0cc113a140108de402abf5772136b721a2d6b26768443ff5f2407b70a963daa069efcaf8453a31d1cfd4289dcff7ef71c2e467321b",
    "signer": "0x4a1546e67923Bb92adb43aD2fFFA6b925f814746",
    "userId": "970267617"
  }
}