{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831117417",
    "entityType": "User",
    "nonce": "0xc82bc47ff0de5425cbf861f5c1ff98a9cee979c4ed81bab2fcc850d971c28d20",
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    "signer": "0x94d1769762bc3a1e7DCd3e8a31C89Ff199833Da6",
    "userId": "715573876"
  }
}