{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "297598",
    "entityType": "User",
    "nonce": "0xea87e32a010b3b3c7940e7eeaacd38ef15d9cd4c897707a25072cd3635f5a70f",
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    "signer": "0xC6f6979d7215C4611Cd7aDb30a42B2812294262c",
    "userId": "55290787"
  }
}