{
  "manageEntity": {
    "action": "Repost",
    "entityId": "318923873",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6d1513bfa448b74c6bb04600c095db1af8bc2fd1f1c698b90b87a460fc2d07a7",
    "signature": "0x8c9496ead0bfd88c9fbba89e125d823960f08c59c28edaab619be6bdd4ba8fd8507121ce82cf8007123bf13d34c3a54cb9f403beda0d015caf26a04c4dd9e9181c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}