{
  "manageEntity": {
    "action": "Repost",
    "entityId": "600345920",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8dfc2d656a254632eb78d62c66fd8bd791de14e374ce078505c3bc082d80d6a4",
    "signature": "0x7005b859eb6daef0ed2beaf6552d046ccce10996e6f52b25b72be2db2fafda5c6764a28c9bc4c00365cecc89e6e2a31add7d1da56a1b1aba5c30c18492b23a571c",
    "signer": "0x26Feee0AaDc0e2d8f7aBEd5cdb0bCD7D325F618d",
    "userId": "354535"
  }
}