{
  "manageEntity": {
    "action": "Repost",
    "entityId": "738847",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x745ae306585e3f8e61015c27745d565332072a5c4e3df51dc36db3d345f5becf",
    "signature": "0x8dd9d2de3c9e854680db7dc45c834ecc4cfc6c8cb2e86df8dfdb176ebabffb8c52c22fbf3714ecec01f4e170f3009c1cc431ddd4cbe4f7f976497cda170df7321b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}