{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "828403040",
    "entityType": "User",
    "nonce": "0xc26b2bbdac10ffdb5909a3b73ea5dabc006ed480545a5ee19b6f408e45ada2d1",
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    "signer": "0x0E6Ef8dF2F401D8918d603B82ef321D94A721556",
    "userId": "648802251"
  }
}