{
  "manageEntity": {
    "action": "Repost",
    "entityId": "643215143",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe939915d667a2de105ccf65cd1f01db13e49509b7945fa5301ad38e0349e8419",
    "signature": "0xb40041c7b1a5fe2ce73296e47211eef6fb0c356e5f867bd49155da4374088f3b2ef5e33844e2d8055fcbef85014ccec1812476438a33757da3ef8f4e73f1c22d1b",
    "signer": "0x4B8960b62360073E2472A74bfbd80138387fE211",
    "userId": "86339"
  }
}