{
  "manageEntity": {
    "action": "Update",
    "entityId": "296549053",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xdffe26f4d8abc7c2273ea799161e30279c753edcc44a92af3797fcb9f7bd1537",
    "signature": "0x5943d4df4069db1177eb82695bfa678f80a3f59df6856903375582c9b7b02cfd4e18243fd684307dfd3e66086fea9565469bdc0798c3b5a9d3a5410b008e341e1c",
    "signer": "0xd7879B884B8d2717f3d4544e0BFA2c0ff1451Db4",
    "userId": "296549053"
  }
}