{
  "manageEntity": {
    "action": "Repost",
    "entityId": "616747931",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4d4ab93146dee7a9d2ebb8bcf247dd2dc0b3b0e01837d55f5e5af669dc8bed60",
    "signature": "0x3e0f990c3f03c58c0cbb7ca5836eb32a1ec7c2e06ec31cfd68a6d0cd9b3dfc7f01b5ba92d84c64466f337cfbded26e6316f7eb5b972fc21b72458c01752fea291c",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}