{
  "manageEntity": {
    "action": "Repost",
    "entityId": "639319287",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa2879d1fb4d80bd977c72894a77dad72b586543075682345b949604b806cedb9",
    "signature": "0x3953d7fb1d19f0c62048e377bc3eb25c59104c10d11b870fecfc0c43a8c7eadb5fb600459088d03d1c664f1decd1819a0dd373098849b884b1aeeb76866920ef1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}