{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1487578272",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x399740d2190a340232d5f0b58d7d0c23fb7a0c422c3de769f15333a5b8f5c56f",
    "signature": "0xf766e74f8f275f24bad505e1a8b737027a5c224cee01f84f9b27f8dab65492f67e8006c95270bf4f05fbc8055e7dd98351a6db382eeee0a107f06c5eddbd14fc1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}