{
  "manageEntity": {
    "action": "Repost",
    "entityId": "439926435",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3bb0c9d2ea6d4c4237fa4873aff65bdbdb4714a6c4a95d32e13d8cb9c02162f1",
    "signature": "0x0399165a82229e162fe1a9a6a569315d18ebff7fea59eecf99a2652b66b9d08a56c0280000427f377399814dfe2fa3258bae996e823625c3a6bafa3bf6a1a7d31c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}