{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x3b2cd2d4390bb70594ca7e85a2e5c08b16cf76b1c1f054972cdc079c161ab480",
    "signature": "0xcbf11bac70517c370beb7b33bc854046bfe2181d58cd2ed5b36f06e5a0f69c3b74f3f9f508742d6169481e199f35ff68616978c3083978e79eabc6593153055e1c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}