{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "632918751",
    "entityType": "User",
    "nonce": "0xed820d9607b227a1b4cb135192f37d9b51b645984fd9afb89c42ec0db645d6a9",
    "signature": "0xcb0b6c4e1973de5acb452cc5a7b4218b76b90fafa2a1a4bbe560d350fc400c111e5adbc7a7229f69be2423134ffc677a865262d7e39b692124e744b6f33612101c",
    "signer": "0x6015AC6ad37b0328C10a529E70348751FE8ffF41",
    "userId": "176201"
  }
}