{
  "manageEntity": {
    "action": "Repost",
    "entityId": "543473",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x66239b971b1a2ee1113cfbe7d99a7a65569e391d4f15113560566b14c1907074",
    "signature": "0x06e29e041c87fe22047051cf150f75440aa5539f18ca82077b337cb8d655f86704df4742fdec8aa6592c88ae8ce6cc835c71fd77bd1456958dd05eb862f119171c",
    "signer": "0xfC070d9d02c152146e3D1B2cD4B03FD7a3CA1AB0",
    "userId": "539537193"
  }
}