{
  "manageEntity": {
    "action": "Repost",
    "entityId": "878499597",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa6e4c50ab04d6457da9dcb4da5e0af518beb55dca538c5fe26a02efbfc77f4a5",
    "signature": "0xee80c3111f371126d745dbf1534d825cd56f4641063f2fc825d40ed0b1700bb675f3a0779eac0051e2416436476a0aaea51347961c946e7d6f64798b1be71b4f1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}