{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1564443616",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe873aa88c0ac4b580fc92748b02e0683557b77d25750aad8792fb36e02556742",
    "signature": "0xe959312f75cc4dd8777c6a9f5f3b821fe12e25de479a17f0c5bfe6f2b68c7c0906a8e68700d372598da79602d9c15254954dc136d092b090094a798117fd75251b",
    "signer": "0x4F8e40E75E675f5be20520c4cEA0CbD7bBb999B1",
    "userId": "991796067"
  }
}