{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1287756495",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x43bbcb1fd41ba96ad9492240399cd34f39e653830abc2159de5fe8997eb79d33",
    "signature": "0x4ed1c5fc672b84051d6aadb2a9ac31cfd7842f912e0e78afebd99d1f282097b53743c3523b43aa9aad7ed503078fb613dbe1380cdf7305910dae9832bd5908cf1c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}