{
  "manageEntity": {
    "action": "Repost",
    "entityId": "543507",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xcd5d8604c8494f0a7498115a4dffa0a6bf767e4f66d62fa70380d9a84ebd68c1",
    "signature": "0x294fb5708f0a8e01c39808a63943c047de6d23310c98c31a854b716d92709f2745fe8828f0f1efecee2e049041efd4ad1a7bcc38ccdc3f3d6288c5f03c4102a41b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}