{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "804422713",
    "entityType": "User",
    "nonce": "0xb3743691e2ee7011200c46fd15773e5b5ba4ade7d7265fc16cf98ba21b0834a0",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}