{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xc87f9ab0ec684eb8b7a100899108983e2a7dd479ba42b4b113b4031c3223e402",
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    "signer": "0xD24F8A2501472e4c9FD5dfCCDF80B550912c7FB0",
    "userId": "887242445"
  }
}