{
  "manageEntity": {
    "action": "Repost",
    "entityId": "394785815",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb971517b20442cc87225b9cc90b24efe83c9697bcbada7eb2d60bf742d3f8148",
    "signature": "0xaab9e0ca52aa59e7e40c6621513405e7e0bd953b49c21770f17a450482b0651b34048e7045033266df9663ecf2f40229e1c1fddb10987e32d0266826ec8f880a1b",
    "signer": "0x13e9de944D9c55B773352256cD4d70B2C49c9DF4",
    "userId": "81238213"
  }
}