{
  "manageEntity": {
    "action": "Repost",
    "entityId": "489516877",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x954139fcf828683e4845903a78b7cf1d0dd6f4f1e439126c250fa09ac5d66376",
    "signature": "0x89842bf65dca786316545f97cb233fd94fa3e47652e287103936914a09db23cf7f7828bbbeb8f64d2ae8cf192f252235e7d90f7f424ad68a9ae5c83361d6884f1b",
    "signer": "0xfB6436C438F897b7eA739876B4Cfcca832868820",
    "userId": "512354652"
  }
}