{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1519182491",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xcc77eec9d8b2613df8f6fb1628bcbf8a5f0331b142743b61f8a74dbaa85ae473",
    "signature": "0x72d275e764a60913db5e66e00b3e3012146c0e5135aa170f50fba249370f7a30491f610c9332f675f029a81c70cc45995bd5c0e4fbefd978de72ae56546f622d1b",
    "signer": "0x722b43224Dbc7d6931b3C690696EF03933374bff",
    "userId": "772126389"
  }
}