{
  "manageEntity": {
    "action": "Repost",
    "entityId": "643725035",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8d2d53f1a817f84c138a756f10bee603e30092493c10e5f8bc0213bac012e32e",
    "signature": "0x079e4d9bb26fbbb48c46c807e91c15d7de92bbeedf52e2d39edcf4a531c70f9063b8e7805f0f452a5432f8d60092a95e6613dd90d2b166a7e29dc649ef5aac191b",
    "signer": "0xb6B208a8f79b1D88d245afa5aDB0a40d38cd6DD1",
    "userId": "528688046"
  }
}