{
  "manageEntity": {
    "action": "Repost",
    "entityId": "54866476",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5b3a3d027b7cdb16069aadbe2732e87cc21f8237471a416a4f011e552094c130",
    "signature": "0x1a09afb6ff2885e7ee9212cbce7f111b691b07f019b1091aa8347a656af15869315523a7165da5b02244b91dd7a0e7c47c84136a2f66a3d853dc0bc9139740711b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}