{
  "manageEntity": {
    "action": "Repost",
    "entityId": "321523029",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb7bf20eba06c6c0a57343f37afc5aff993012511ec93646a7ca1d373b666bbe3",
    "signature": "0xcb8da72ddd6de209d771a2f8c986382cd56141b5f47ac4848b9a6e78e8543b6648a863aedd26b0cd5751f43955cb220cc3ad3a01c4ea6083389b598d693f02aa1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}