{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1499535213",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0e0e1e87175f68e622807db3783484c80589723f62835c570f68e5e79b33b826",
    "signature": "0x0f2c4f04d9234f9c02b710a9b1f30f3dbd3a73c9225ca441e7465193ef1854f46089015f1fa0c63ba857bb4e6f6c054e283f82b2b03a95790e0ae77fdd4465b11c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}