{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "991745",
    "entityType": "User",
    "nonce": "0xe47ed582a52f9032b9351414b7ea68fc99b6ba449478a7e5158f53c67837c722",
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    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}