{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1490120019",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x066dd4bb6a37727ca05429bc3ac1ef979648d4ba07d3b60769755ba74957f240",
    "signature": "0x77861b4b26dc81d26273684d5253a87d27f563d6d91e5f8d25ef7a134ea40bc575c5ebb58874dd2b67cab4a678668d43cb4088de72c219b68b684680b5bc7feb1b",
    "signer": "0x884490CFa947bC5C5d41834F53666866b78D19d6",
    "userId": "475900419"
  }
}