{
  "manageEntity": {
    "action": "Repost",
    "entityId": "751757707",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xfe6075ff1471b2f145bf87fe17c4f293bb6c643644c2479ffe627a1eea8c3a5c",
    "signature": "0x92c87fc0b7c19bc220dce5db79899867d8bf597234b64da9e15cc9d23a8dc01519cf55038571fd5dcaeea90cb3a41e52eb81ed349d35a5a9a9ab36909e575c771c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}