{
  "manageEntity": {
    "action": "Repost",
    "entityId": "751757707",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5050cef7d42394308fce5dfca58834cc9fbf45030755b5c9908ebc00fd6b935f",
    "signature": "0xf9a5af491f2538ca6ec74140b0ac5b0bcc2f3f5b05f8f0ec7c2e2a8343b817b720f51903f53cf5aae0748311ee60d6fc65a55737e614c7485a8e5b343f63c83b1b",
    "signer": "0x2D566E1DaC6fc148a694abe846B32e39B6584aa5",
    "userId": "890889753"
  }
}