{
  "manageEntity": {
    "action": "Repost",
    "entityId": "574956612",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x74edd1a697fe59cbf2fcc9f939a3e835553c299787ff780f67d4af80cfa93558",
    "signature": "0x53d46460d8bf38d69b003056d42534d12b0b37b5124d50ba3dc6e76c5223605668f8a79bab5ec37639fc321fbc6b22413c2ac389b909501b652f7f062fe8adf81c",
    "signer": "0x77E50fFfC1Ae26283bE0FfAf08cfad861687c690",
    "userId": "909677694"
  }
}