{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3028",
    "entityType": "User",
    "nonce": "0x825224db35e3fa060077339799a0f337846e3a11980f4b009df826353aa1217f",
    "signature": "0xbed4a97c25a685941c6b46ac80efdd02cb00b04c474ee82f18332e21d8e1e19a522120313bbe3dad48d8ba84d85259bdb62006a6889e24e406672bc3b6a4be851c",
    "signer": "0x16D3bf5a80bAfFB2f1550d49b1203D4CA532DA1C",
    "userId": "1994482"
  }
}