{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1451576778",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1f1303c8b44f6b8d441fff2d63326306cd41abf6c5a48967539ee4826ee8399f",
    "signature": "0x2cd1bbb0700b652fc4c28e673f25156c92e76931bbfb4b40f1a2f776c73f60ff11f6eded8d9fe6ce571d57c7d3d97f10bb94a3fa9c7664552e918b0d7021edbc1c",
    "signer": "0x767f09338Ac6CE8645c0a76a17a560429b582132",
    "userId": "520958130"
  }
}