{
  "manageEntity": {
    "action": "Repost",
    "entityId": "478455344",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa09c0fcb7e582d10d227eaa6ca14fd56bee633d7bd2d000442e05d1674f5cf53",
    "signature": "0x68cb09960f38a375829c48eb1d26d54c5c9a53606083bd0931821b68037fec6f226441b16f1ca34e13ba44f2f87033cae0434c69fb80cf95e8a5f8177c6cc7281c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}