{
  "manageEntity": {
    "action": "Repost",
    "entityId": "639758",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xaa2807ff10c08bdbbfa82da855fb51e3d88ff5a1d32250662e21651b65cf13bc",
    "signature": "0x8bf4dc8f7d946807c07890e23519e7e379718abdca5880cab1894a391b5dd3715e96389ff8c753064e4887f5deee29f7cb794dbcb9f3a0af52682f5e8e6928e71b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}