{
  "manageEntity": {
    "action": "Repost",
    "entityId": "857227142",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4272e5043318588b7aecec0bc8351945cf723474200b0936d73b00f2b3dd01f9",
    "signature": "0x0ca5e043cd0b0ced78843c398544c291d5f213a3c2ad7fb879a1ddb096ef858a11d06eaf8876128170851f46bce760a60d207dd90f160de9d7588e492b6659de1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}