{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1115983",
    "entityType": "User",
    "nonce": "0x92377a70d38c3ecb15fde017aae9aeb7e4988803d2636a8aac7a19b22b6a4559",
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    "signer": "0x375963f281CEdF4D9D180496F80A256D574daBa2",
    "userId": "981824750"
  }
}