{
  "manageEntity": {
    "action": "Repost",
    "entityId": "551507307",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa42aa7450bcc04882a8644ad2901b27beeb3a032a526e74ac17a6a38b519b578",
    "signature": "0x176fbb34458153aa04d51af5321d890742575b2c3569bf642b6f6c60c7cd772110d684fab3bc1de97090628c06149ee51354fc8698c32553a98bb034927cbb361b",
    "signer": "0x42add65390A15Ad6411C525cD76d5cA82d628fbe",
    "userId": "668300139"
  }
}