{
  "manageEntity": {
    "action": "Repost",
    "entityId": "707579512",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5934c1df229f223c4eecd6cc9d04cdd2c321fdcee33b4c1f3833b6453ad784ab",
    "signature": "0xcca8f515bf0d5b397837f85dc607f4090cfba9689b7e38c759e4e769843499a5504adeb518dba34bd1ba640dd6364ff90b2ca76c5459dfe78b0ea9ea6555701f1b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}