{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1036471",
    "entityType": "User",
    "nonce": "0x15ec7b53edab58aad256038a6ee4db99d538a116d186749905748d2f7b2cb3e7",
    "signature": "0xc398ba898d209d46c9b043e9a26f40716ce337d4dd0d8d0bcbc251c1c68456915b627979c7501c5157813b95b824c6a07ff1637124f0c7122822ab521991ed9d1b",
    "signer": "0x52736F67C02C10d42Ea4e6262BA861E854f87423",
    "userId": "776850188"
  }
}