{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1490519874",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe304f9e7a9d6472925cf24cf085c8ef037961ca1e8daa7317deb920dfc6c3b5e",
    "signature": "0x55bdb92c0f26bd5cbcff8930dc79509533ac5b7dd5cbe9774182bdff6832de731e5e8db5b87481110e34e8d5c8a6dfd973204bddd5478f0ff673cf60dc0102591c",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}