{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8194",
    "entityType": "User",
    "nonce": "0x48461c358ec73e745b61b8e9c8ef7b7a816873875fa98db4e24226606f61bdc4",
    "signature": "0x52c376fd898f09b2add95eb5ef01d38782aa5c432e390fdda3720479346ec3e2534196de75685c1f8dd5bb63f0be874f541960c4bc995a3f8fbfec94d9f343241b",
    "signer": "0x87CA5036E89495C33C212Fe31efeF0621fF69bac",
    "userId": "1311057"
  }
}