{
  "manageEntity": {
    "action": "Repost",
    "entityId": "674644",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4e2307aeb1ffb38e17c747b040eb1171f3fab53c22b2cb1c4c7ac26cb8c03512",
    "signature": "0x89da0b02c5c9e5ffb11e52d641d581984e512cb634b8926fa6aa76e309312a826d338bff363a1b211ed4e621610a0f9dceaa81e899f63287f3f72dd3498c24c71b",
    "signer": "0x90CBf7c9BBF688fd9Fa4029B96e1BC32b270cA24",
    "userId": "711459379"
  }
}