{
  "manageEntity": {
    "action": "Repost",
    "entityId": "121638",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd69b12757376cffd169be153ac6ec5ef3360108079cb7c6cb3bec6906eb4eda3",
    "signature": "0xf9d9d76c131c662b8f2ec19314bf4ea4a434f16b9e8ef5b36280d25a86eff9b1329d5ee06ca6b5180ec2592170cbf082213261a7e53641c4e9993c4d7b010df81c",
    "signer": "0x4A3D09CdfD42dE4C57dc67B09a40B5d9172bD69f",
    "userId": "787102835"
  }
}