{
  "manageEntity": {
    "action": "Repost",
    "entityId": "557751",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x477b89398d99ad7c0c59869a1bc3a0f9be432d633dbd95086f531bc12ae68c49",
    "signature": "0x06fe397abca2b351463f023bef84bf8fe1132346b9cd793fad57887b408ff2505232d71defacd3b78436ff2605418d3f4c74fc933120d1033be68e537c9746d01b",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}