{
  "manageEntity": {
    "action": "Repost",
    "entityId": "512978",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xbb431bb69fa45c5958d936639f4f6c7b28b8c9265ab603054bc20a62e17873fc",
    "signature": "0x4f0c69f82272f4187ebb6f243957e264a32eb14cd8bc371f28cb604415096bc53b3f93f361a1b2a500b80c7f9f86ed9b0b4bccaf14928eabc14ca6c97f2eeca01c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}