{
  "manageEntity": {
    "action": "Repost",
    "entityId": "428433",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xfd1bcfed7c1115844a144453a43b941a9bf25d92126b3ebdcc3040fa02726fea",
    "signature": "0x28cd883fb8f3e6e1e44bc20651a17a633d23183cb87b1f141089a0299fb88445226a2d88c86795aa3251899174991b26550ae936f146789fb2dd05d5d45abb6c1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}