{
  "manageEntity": {
    "action": "Repost",
    "entityId": "648721068",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x74308c483505f982ab8a673cf59f38c5eed229f636804040e8b0646b129e3cff",
    "signature": "0xa29fbef037922e7bcf89b0ec7d1505f4013c88996992eef79c7ed3cc3ff8bdc93ced0f337353f06d05d6170a6b64e7cb0b3132154cee1f088de03ac4741e9b8a1c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}