{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "1673567369",
    "entityType": "Track",
    "nonce": "0xc1d8d686c0a4fcccd47fb1a189a1a019ebb1ff0c2210e9655a5f189314e19075",
    "signature": "0xecdc8ad68e53d0629d7e2dddc967e4e7c59a5f3df3b782aef0d2e1e8c8d9ed220d2f4b94269d0757c2bdc795e7baaf2748da5a8793ec9a83dc73264e4a5ee74b1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}