{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x288d0b979e9f9b1b54a39fd2aeed28ff55d9a79e7f60bab6e70b7d38e4e12e9e",
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    "signer": "0xB4a54F9B2a7959bD50C623E17c29991fa049790a",
    "userId": "545537105"
  }
}