{
  "manageEntity": {
    "action": "Update",
    "entityId": "267313491",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xceddbe8710a18ca54733d2bbccc6ecf07f395b2a7132e27a5738d1b5d0bcd2d7",
    "signature": "0x0b6a0f5cfab799f9c5c7931d6e35ec175dd518fc1c35086034202fb3371a68a06007d8a6caf2e9b7b5d732d9a4b826d3faaecd1cbece82bf75c008f0302841cc1b",
    "signer": "0xc5809dd2451c3AF574bbF8Fe0e64acB424dC5B0e",
    "userId": "267313491"
  }
}