{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0xf830a8e2523d13caecc165fa9726345b1c1c72d99acb96ab8204806b7f27a663",
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    "signer": "0x0282346A7cbE9AD4E926935610080D74D8587c10",
    "userId": "345932992"
  }
}