{
  "manageEntity": {
    "action": "Repost",
    "entityId": "551870443",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xfb998af0062de605b809ff98e0b62b6113998604df7be78ca256eaa992e6b012",
    "signature": "0xe96542a20c15fd100e8f1edb7a1bfd79e165927217d399a2d7eeaaf07204c2df34431acf278bc529042a16cefb52cc99b2fd6151306f3875347f544c3514d5201b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}