{
  "manageEntity": {
    "action": "Repost",
    "entityId": "256449037",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x45eea5e1f23dd83537227ca7f13508dfcdcee273174e262cf2d2c2bc08cfd1a8",
    "signature": "0x84b0c0166c990d66bfae6f7ac437a5f84aee2fd0db5fe772d1f35eb14bcc494f0bbcd29760cc52a096c802150b7564877647afba70a33b9c0437c26412a3872e1c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}