{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30263",
    "entityType": "User",
    "nonce": "0xc0eb5716ee8c1aee9e60ec830848c62f2ed6e8db1e69960a9908b756ea90aaf9",
    "signature": "0xf8ccf2f2aee8d55676dd468575841dede6e13d2b6e99efc343495c8823846a086532a07c4e3c947a3bb3a060bbebe849d18a4fe4741cf9c767f2f66133357c1a1c",
    "signer": "0x62d4816874d70b2233b74F1A103Bc646d08CeCE0",
    "userId": "724707352"
  }
}