{
  "manageEntity": {
    "action": "Repost",
    "entityId": "639568501",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1b28707e434e1d5fb422fc7516b563131761784be12c179f479801d30a2be8ae",
    "signature": "0x001dcd80412770b28369e78b9d27ffc6882efdb907e8ce3bd5b5798e98df4e480b820adc920603d1aeb7b0dc4e089fa5b194107bbc572f35677a9d9a9458636a1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}