{
  "manageEntity": {
    "action": "Repost",
    "entityId": "644626943",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x81c1b41f3497482155794eaa0d4f7dbdedfd2423e73459bf3f74cc0263235d44",
    "signature": "0x5757d7ea836531b831a3d0fc659fe6dea861e156d1503906e0ce50426a8ea9a800d03401f3c903076516a5bdc5d828f1bded926bd5dbc1e0c2eb4764210d5f421b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}