{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "547969682",
    "entityType": "User",
    "nonce": "0xd2162b0461bdcd4d32561d631020c499e90d24963f7caa424b7c14bd04ef3137",
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    "signer": "0xE3920462F8288c694f8B3f54e21f6bCA9942BEDe",
    "userId": "255433570"
  }
}