{
  "manageEntity": {
    "action": "Repost",
    "entityId": "721156628",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xff43199abb83a6e824d1ad7f6c7da722520302bcbd040267b9adf3e17b49b7a2",
    "signature": "0x7ecb9852cd63cdc3dc943c7106102e424683869e2259b3beb87bbfe636810d55133c255f26599580535b00ecd23149b1d6e4e4b4ca2c205386b44646259e39c51c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}