{
  "manageEntity": {
    "action": "Save",
    "entityId": "36327632",
    "entityType": "Track",
    "nonce": "0xafa36fed6d417c4bd4509dc53d336dfebca5d87e2b096e49f22a04df45a1f1ab",
    "signature": "0x2d578f3a0d4c9a7dc5bc2a557ffbfba63a7ecb77ddfceb96a5e8beae19374f75645f04efcc04516b1cdfc075545e3f18fae5c8912a5dda6ab8eb8ef72abaffd81b",
    "signer": "0x658704f5E9496548E3179a01fe1F54ac2a0b77a4",
    "userId": "188933"
  }
}