{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "234141",
    "entityType": "User",
    "nonce": "0x132cc20d2a7e75e612451fa5664868658d537fe73906e0c8c5173213b5c3dcdf",
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    "signer": "0xD65418037f9b8653C61558a6A2445F39631E0789",
    "userId": "247970151"
  }
}