{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf738c8b82e036e301189758ceed1c27db939c9c971e235abe9eb5eaf7e29a9c7",
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    "signer": "0x36669D4fDbFdE8662903FCfccC0Faf3a20EAe152",
    "userId": "91908282"
  }
}