{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89677",
    "entityType": "User",
    "nonce": "0x027c36eeff0ca9e8d4ef2385dc0399f9d44fdffebce64f2f6864faa850ed37a6",
    "signature": "0x6acdd00a888c072960d869c6d0e39d8fd86d8fd81094d77e7ea7d887943eb6b454994e06aebe765c167439679c6d19a6c8a1db3f677d815df0421445c426bcdb1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}