{
  "manageEntity": {
    "action": "Repost",
    "entityId": "551507307",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xfafaf2ef81579dc4bc3b22c130367ba050c10e13e1ea0fccbede0c4482c2ec9f",
    "signature": "0x040db53e6ff6ae0b35936a4fbe34c5b96f1ca7a852a9ef70ca889a6e3442209a3d6db7cb4972e687ac8f14fdebdc60dac11644462da80ab9599df7f4fcfdedb61c",
    "signer": "0x7848c1438a663A70aF2A2B1e61f7A9229dcc818e",
    "userId": "490080902"
  }
}