{
  "manageEntity": {
    "action": "Repost",
    "entityId": "121890440",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x54a56ed16b9fbe2bc4bb6704198348677fe868a9e5d2bdec941ed148c328e10b",
    "signature": "0xd7de7622f5895b18eda26c72c86291239bced82ff52006c98fcb1e0270617c013cef7f0f7443e9ef87b8eebfe5e14ebf3f5b557ff819f774c041f8ce130a51451b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}