{
  "manageEntity": {
    "action": "Repost",
    "entityId": "664240519",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x612a4011f268f52b44de3b591db906905b4428e6e434818a0db1f9b194058aaf",
    "signature": "0x9ec57fba9452a2c6cd0a80de2cebcad0ae3580cdeb9e1deccfad846b626ca5a432caea936afa5cf742ae14c244bbe4ab9f75fda54ddb564cc2dd85e8ee1816f11b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}