{
  "manageEntity": {
    "action": "Repost",
    "entityId": "639568501",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2a3966d09be0be6a9171c6e20e39296d6a30d3fb0ccfc9a21d150cb6a77639f7",
    "signature": "0xa801fc0453b47f18db32e306eb4c4aa7d59336fed5bc837bb1f216c02867dd513a8c0fa916388a837858e71e7e8d8a61559cbbea3cbc576624f7d81fa251403c1c",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}