{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1408934588",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x623f794a6aae19c4df0d309f10ad50833658157515c4d279adfcefd32a1ce5d1",
    "signature": "0x7f6c1d72f3395ac8ae9cfd74bcffa7826cd4193576c6b1614e91ea535d297e190bcff5592e19ee6bdbe2f2560918ab5541161647fdb8373b6f9222f7a56cd99a1b",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}