{
  "manageEntity": {
    "action": "Repost",
    "entityId": "645627",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7c55b6cb5c9ac76a21205f18ae1358121c2d7dec7155b224bb09fa30f8727830",
    "signature": "0x6cb36227ef27d2934672213accb02819fc4e5091934249812473945bd0fd8e6a07ca140911173959e993e59b37c5f615cc20376cb9407ab31d593ff22860c32c1c",
    "signer": "0xa4A8a4853051b18e0f0f777693Ce34CF4bCe9385",
    "userId": "634886384"
  }
}