{
  "manageEntity": {
    "action": "Repost",
    "entityId": "544581",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0db7fcf15cf11d831ac894acf863505301d16da0de1529ebd88d3093b37c272a",
    "signature": "0x3ddc1983fb20d98f399c07e88c9cfa4bcc7fc32a0bcb306a0dcf9bd6ce6938663bfcdfb3f3d98d793c6d537c78ee5680bd722976298011e3c6f520f8aaa7a95d1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}