{
  "manageEntity": {
    "action": "Repost",
    "entityId": "578651",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x87548d82799c18e9aac766afa2bdf8ddcae2eb885afff6caa283c5eb9f25d30a",
    "signature": "0xf557674cebb415888f419e69693596100aac8679c3bb7cd4fbe62dd9b806bf9c4858f3d40055fb853da62572f50f75a4681ffa7d162df1408e70922b20047d2f1c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}