{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xe4da5c9ed46a0003a99f71651a79b5a3d04bdb0b164f065a6c6a3291ba48c6eb",
    "signature": "0xf6225db483bbd5b6d2935a122305cafe6bf93f5390de01ffed04e82c5a98664c5050e9ba9b5d237fff56f8ad591c69a5ecc4894cee2e69c329f3f9af6bdb6da01b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}