{
  "manageEntity": {
    "action": "Repost",
    "entityId": "516225910",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3be9101c7647f06e967e82366e305e7b85af786f062e2b061bdf01d57b869349",
    "signature": "0xa992697542d6a0b5721972cd8ea2f7748275a3398481e9495ab98505663c4cfb1a813b5dbb98dfac7355be3a20cae1f09aca3cfd0831c8f50cc1b5cafa6e37a41c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}