{
  "manageEntity": {
    "action": "Repost",
    "entityId": "621511",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd3972198db2c5b6e0c488ccb0550f7bcba754df4ee363c48cf588bf82b77a803",
    "signature": "0x8c6164e42e4b39400eaca4decddaae96e3fc3d75ae33df63104b7701415b96e86c9f0a89b885630bb494c25f0e79519b03200e388972a4702a1217a6df2327041c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}