{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x8979ff18709ecaf65f63a958fce883f1796c8e4998c199e48f1c2a52c58323b5",
    "signature": "0x9a20da0f991f8ae405e161251a939562bb708d5a5df2a7ba09d4e8d0d2df2a1d66846e00379904d9fff515ee4b8f16f774de78c3576c9453805df3f8c42551161b",
    "signer": "0x90A9206Df4cA22A1ad24bfB7F1b639Aaa812Ac58",
    "userId": "266782887"
  }
}