{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6709621",
    "entityType": "User",
    "nonce": "0xcd031922d7fd25c99c669b4e27a8b29511ebf9a542b2dd3c1bc29d917bd8731c",
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    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}