{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "865042194",
    "entityType": "Track",
    "nonce": "0xa272d95e105074397b8e2d3fe29f5b6a9f3eac4ee519a688ea1e54d01ca2030c",
    "signature": "0xbe84ece16ad794cb3f4e27525f1400de8c94ed6059f7a13712466678ff0b3a8f31e538918121da2769a173083f9387678f80296ca8c9fd8c3128001b73c1857f1b",
    "signer": "0xC08bE28cf05cBcaE3094E0FbAbfA61ca8Ad61dc1",
    "userId": "190259218"
  }
}