{
  "manageEntity": {
    "action": "Repost",
    "entityId": "123371423",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe2095b1f326e9f1a2cb8b60a42721b58d42246c22f6aa9b080596a8ef84be6f6",
    "signature": "0xa4c31702d6b79437e6f9cbcbff496e331fe6e038fe53784199dcf349d158d44b653d07e1afb4b3462a86eca54ada29766524ee477f263eb6d974409f704ada721b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}