{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1915541522",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x499f2fbeeaa7e42142886a097de5606e3f6c359016e3c53369138481b6067971",
    "signature": "0x3579371bc5104455329da39e1358befa9457c355d50858acdfc822dcf965ae5066f1f4b0b1c57f6bf6397c1880f8aed3674760dd22ce5edf826a6a19ec2ca0c21b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}