{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1543451449",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x43cfcfd3cb39656096483a3c1751716f86d93fb2a63385d3d91bf754a18afa2a",
    "signature": "0xf08ca28218e7169f72da0847dbf51a79dca9cd69b4e7990fd6067721fa26966832ed227a9dc2d424255b149f8a337d616044f4ea83f2e6c036ad865664471e7a1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}