{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102270",
    "entityType": "User",
    "nonce": "0x8ce78bcf4ef4f82635828ad1506dfa2d544f909baf5892d89d5712f3c5db6eb9",
    "signature": "0xed12c1932dc3a8b4eebe10280430943ed4e761ac68716035667ea82888ed60921dbc6212a08b8beccfb17c1f9e0bc7cc02206dca3bafe2e38070b069a78e86691b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}