{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "978464946",
    "entityType": "User",
    "nonce": "0x5017ec44d8e1297a20b2e8142f01c8e82dfebd2ffa4cde184772042b827ca928",
    "signature": "0x48760558c9013a6702e5571db825f7da282a0d346898bf653558a4bfa1b98b576174b580ce2281308fe4defbfb5ff6d4cc5ac6e0b7fb5ad7e12d8d478b70ed9d1b",
    "signer": "0xF6F9F433Ab5dDe3c96D63C2fFAa64b610599a410",
    "userId": "80682"
  }
}