{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "345686",
    "entityType": "User",
    "nonce": "0x6a70ca75cb1b699089b9de863721f4fba74e47cc710366715cb3f9abcdcdff1b",
    "signature": "0xe9a0217278145bbdd048b027c525843e4b8b8b09165b98d6f32bfa68ea3599153803b38a3b27e7563cf008c72773384640b0a37ff78c0dc9d88e95e47e10390f1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}