{
  "manageEntity": {
    "action": "Repost",
    "entityId": "678689816",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x138cfcfa95afdba161eadd977493cc3dca97e0216204d433b12af96c37e6f74a",
    "signature": "0xa3b1a478c0ab0e02bdcf65be50ec6d93f3f61cf20ee4c65c6aaf928b9db37c1845034ba14feb23a42791b2433e9fab69698f49f37e48eb3f353b2fb5124e12b81b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}