{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "730225845",
    "entityType": "User",
    "nonce": "0x3bbfd2c400d820cd1b15f446ed99fbe22d0ee37d5fe65ae6b3ec9453d9ae183f",
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    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}