{
  "manageEntity": {
    "action": "Repost",
    "entityId": "678689816",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x366db639767127156019e84767b002a15f042736e0bd094529911dc6f2a63a19",
    "signature": "0x1483fc42dbbe6c51028459292058b3639fc84e1d5246b49455dc35999d3949243c92eb43f30e0aa62bd9cf7f3af979598540295131d7e24e47814704e16bbf601b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}