{
  "manageEntity": {
    "action": "Repost",
    "entityId": "513854457",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x949cb5b1d6ac22be4b7c7b0ae98642f4ec041d6c3b37c15b10168ceb61dd9e8a",
    "signature": "0x36698ae0a4bf659189d4d2c7bf5ae57d4c66ed9c06d73c0b4cad0e0ae264b0b330a5a470b1d1fdbcf41c12e566b5576b419094e20e612e2c2a8ae07275a1f8c51c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}