{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "55093829",
    "entityType": "Track",
    "nonce": "0xd9ad3b9fb2e5ef54f1df54612f36d506ada10ff64356ab4cdbe96088e54847e2",
    "signature": "0xacf34cd18815504323711ab66f45740b231b3551a5c385e396b3e3b0f5dfcfc95c7108f454c7ad0c920f1e773ec11b834d2f68fa1417b66f45810ff55f13f4881b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}