{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "131716",
    "entityType": "User",
    "nonce": "0x3b66d88d510d90263e9f0b9ebb533dc76af5eea078d5dc0ccefffdf8bc3ba364",
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    "signer": "0xD967b68365738013c9197659aAb46EB73a488080",
    "userId": "488430169"
  }
}