{
  "manageEntity": {
    "action": "Repost",
    "entityId": "639628",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4e013a02188d60dd9741d3f21b391f80dc43cdd30286d05466580cd81dbef76f",
    "signature": "0x18dece971afa2cf6ae40625e269b076c93eb0e1140cbc4eafa7a02bfe4e40f341770d64a33d8d30e27f9be3047988b2f05a8ccae091eadcac4c7b30bc3b8cd4e1c",
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    "userId": "772126389"
  }
}