{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "70952",
    "entityType": "User",
    "nonce": "0x3c7b61cf0081857c704dcf5b7fbdc47b8720ed32dd3c28a67e2fad5ecf31b131",
    "signature": "0x2753df474e8c93f6b7a158ee7a74ccca138eafd19354c3685e9a7616e4712b0442dbf0589cbca294ff5699425fcbe3e9b949afd48a5fd908cfbbb9971e5014081c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}