{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xd6d42292c73632bd26bdd5fe98bcf7a522b9bb33d648a024dceaea093827cffd",
    "signature": "0x2b88496751955de1e96e99d38c40eb699f9adbd52e275f7ed51caf9dfdfed57239c442c76f9efab476a0f54258d9856c0128676ba6d9bcb9d49467ebb4267bc71b",
    "signer": "0x90A9206Df4cA22A1ad24bfB7F1b639Aaa812Ac58",
    "userId": "266782887"
  }
}