{
  "manageEntity": {
    "action": "Repost",
    "entityId": "328638",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1ff9ebfe4769b8c8b74cbe225b1101897e4df39c6e6b1ea10e58008460b080a3",
    "signature": "0x040e8b52d5e2d82d89f0de6e823da6b0d2740dd4ebe7f87344b385ad84f94b5859c0258564bf7afd9273f637ec95e542a74990fc14c6b432f27c3f0940ca63661c",
    "signer": "0x4D8EDeF47b57f98c89BDFf851267B0327BE4cD05",
    "userId": "5307724"
  }
}