{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1257319598",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5917839e75cca12d8d084edabce1ab4cf882eb064ec16fe46d9412df16e0e8b0",
    "signature": "0x490791edbccc9349b96523d9bd8ef69863e5144065e402895ac1f8c07f367e8b0f627e0ffb04800bcc8985178e10e10ec2f05e71c84aeb4aaa28880a285011e81c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}