{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "166071",
    "entityType": "User",
    "nonce": "0xffaa90cbb70d74b493d0a9f909778b90aaf19df9d0e93ed4e792d8f67b7ea7ed",
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    "signer": "0xD967b68365738013c9197659aAb46EB73a488080",
    "userId": "488430169"
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}