{
  "manageEntity": {
    "action": "Repost",
    "entityId": "770237",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd4213b0732e1d1b42abb364e7b52cc3b2395c31b858c49b59d9e7b9affaa48b8",
    "signature": "0x69e44472e646d1c6b7d18513a0202209a432d28671057c3c05457a1c835f23d42f514d03aa73fc592c6a607320ee85d75102698c48db14476ac2422d4e4316991b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}