{
  "manageEntity": {
    "action": "Repost",
    "entityId": "646499801",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x15386dd6e43c3d7b40cade4f286a2f14dc3137bbc3fb8e613669eedc3b3aba6f",
    "signature": "0x1a7af10e72d4355d9c4c028141cc2c8a7a3a09c47a193e86e295cfadad7db9d05885b14d68b6861b4c2be88fec9d7ef0f0e84cf90ae48e3188d1a141a581cbb71c",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}