{
  "manageEntity": {
    "action": "Repost",
    "entityId": "515906772",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3bdba9aa0603fcef2d20a5fd41a7c4c971d64c302ed14c1546704c9bd43cf6e5",
    "signature": "0xd847daba104f67c713376a8dab38df46618027c1b9325f98588281bbd70a42b15e8accd3560f5c6622d1d3c7b2242c5c3b20d23a67a2afae0223e5294e4a07bb1b",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}