{
  "manageEntity": {
    "action": "Repost",
    "entityId": "621723",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xcaaba5d70e0e40b348ce278240d3426e1fc26809f23b74303ee7a01fdfd7497e",
    "signature": "0xb94dd09860c74a4c2c95f395fcad553ae4d2af4b55be8af17f42b8da23f54bda708f183287daa2a26ed10cdecdc31e1f476e4775b165973458e6935eca19a6041c",
    "signer": "0x48c57b64a5a12Dc7C7742Fdb629EEce52FF5591D",
    "userId": "930634116"
  }
}