{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117580434",
    "entityType": "User",
    "nonce": "0x1f75573e1518a5ac617f71dfcf6b3d75826904645ff92b9e03f7280bb0ef13a9",
    "signature": "0x18d37c29c8e9158d2d41ac0b80e24ec20ddbcbda54223ac57ea5c664399eeb331351525c28eff0c739037327b20bb79a85013d7c6ab80d451aae8b30f77a7b7d1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}