{
  "manageEntity": {
    "action": "Repost",
    "entityId": "553906647",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x01562db55ffe052bc7e6fcbcb6315031c6139690353fa285f008d8e153472d96",
    "signature": "0x52542b47cf6fedec43c0caeeb8f234d6642b88111c8e9bc4d834fa74130e869d65969a32ccfd4ca2e29c384810b0f21cac039ac04164f7df7fe094060b2f25f11b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}