{
  "manageEntity": {
    "action": "Repost",
    "entityId": "544483",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf0760c67a7e45d6b1b3488ca8a3c320037052a26a491416ab751ef4cbe1f15c2",
    "signature": "0xf6165f2b0af40b5a4705db14fdb9d5963515b495ce1320cffeecffeeb87ebe03694637e799548b18496e943761e89c8f10885a27e0f065a1ed02ef35a83398c01b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
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}