{
  "manageEntity": {
    "action": "Repost",
    "entityId": "644644",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8a43c29e1ff24cf4bf6055f99c11c58f778a3d59972ffe0ec53271a02c6501cd",
    "signature": "0xb13c01bf71771e4499202c434487b1264086383000cfc9999dc091f5956a26932f344d249f9d46a1b969f1f521714e559b51fbf751dc74b79b9caa722e2f0e491c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}