{
  "manageEntity": {
    "action": "Repost",
    "entityId": "664790119",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x52e29113d9b5c70bf3022cee233d90c409fea5e2ffa73ab229b9dc28ea568751",
    "signature": "0xf40805dafac916427f2e1e07a49b2595cc566e3c41d3f10fc14f1d151ef5f2c578aae7efbf42305247f1ec8332891fc9bc42bfe932dc902617e558aaafcdf0ae1c",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}