{
  "manageEntity": {
    "action": "Repost",
    "entityId": "649774409",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7809770cfdaa8aa87f278c1a02f04ad77b2a128ba65117db32fbb97f0da1c20d",
    "signature": "0xd7f1ed5af4d7c15ee376e7ec3ccbf60b1d90afb33ffbae102b5965e4d9a59b8b74353b41bfd0ab88ce9678e2219f660f963cf2d745a27792c669a7e5aa315a681b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}