{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "854614078",
    "entityType": "User",
    "nonce": "0x648317ecaf773bcbbfdb2ead7b9a088924fee791d224213a313e963b73ad96a0",
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    "signer": "0xE09A95aA63d8B1AE975406d646074B73ffBD4ACC",
    "userId": "27841"
  }
}