{
  "manageEntity": {
    "action": "Repost",
    "entityId": "644285686",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x641c9a210e3f85ccd8e05fc38c1aa8318787cb8181ffa1fc0d178b87c74ee82d",
    "signature": "0x4d2363e39e9b9e0bccd7bdc5823d64effa1b425a189e6f0dc642eec2dfd7b3cf47fbd2def1498d8f300f1381e5690973c30c1e19f61aa14368a0501493cf19c51b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}