{
  "manageEntity": {
    "action": "Repost",
    "entityId": "703999",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x244bf688a9bb43b5585e36e1bcd87947e549393b00867bf969e31a9d1e6f4ec3",
    "signature": "0x864c6b9758d3cc61b9c7e5c7c0665fab654de1c74243c7d86a6ccf17005e8af6003f9c8b52848944d033d81be69e082bc22e6c3f54857c15447b90275a2e4cdf1b",
    "signer": "0x484d8957F3f2AAC8A75b6c9769692fB7Bf806850",
    "userId": "413536646"
  }
}