{
  "manageEntity": {
    "action": "Repost",
    "entityId": "504421",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3fa2dc3f9bb4f4a656ab9a55a59c6bb3538530dd2ac55c881484c65ce566d54a",
    "signature": "0x402b60ea4ffe7c8a11d50f012b72e89766783e2ade3ed08ed779b4f1cd069d42616dca8dfd14ec8ab58fdf3b78f32149c4e66feb0e270434bfe85328fe830bd21b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}