{
  "manageEntity": {
    "action": "Repost",
    "entityId": "555457607",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd9cb15cf115385c2b34900e9ed9c960cc1673dfe02a9fc3d38e00e3f27cd8bda",
    "signature": "0x38218065c9e8002d7f9dbdf0302a3c8925066efebf0d88f5fd6813e405740c1e19b42500c31fbbe50cfb0e16ce68901eedf8d65ab7aa96daee134657a4bbc7c11b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}