{
  "manageEntity": {
    "action": "Repost",
    "entityId": "621509",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0fc5743804a44858dbe4ea94d7209d4c067c1d7175c78aeed80772865cd30845",
    "signature": "0x102d57ec772c82c1f1ede698140628b4dc87cf8e5923d767346eab8943376a4b3f71b0f2d3de113502b0cd0106bd4caf3732e212e3e6d17c24f2fd4d871008e11b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}