{
  "manageEntity": {
    "action": "Repost",
    "entityId": "677373",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3fefe2aade465f8f2c873440e0b8f2fc1636e745d2f897f84aeb8be993725950",
    "signature": "0xd91b39d6d5424dd2390ab3b65a5b492b9d7a9a3ad2d7c2c4de24db3fdfff1c8d249cb20fc3ad13f62d9143d52a993da1abe6090c58ebe4f8d63cdb7adaf907d81b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}