{
  "manageEntity": {
    "action": "Repost",
    "entityId": "643843486",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x74ec794276e7f157b572991be936f4496cb07fad37a3551e60ba7ce6e6f279a7",
    "signature": "0x1eaf9f3afe59fb40d37e0dcaec62ff84dc21ded9c247893ed375d3feb23af75743ba8788f1798f07f9ccd43a6bbbf38a3d352a5bf904a99e910ef3e3fefa10a91c",
    "signer": "0xcdc1772589e70ee6667FAaC93E3F0CcD5BFDa2aE",
    "userId": "354908"
  }
}