{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78011",
    "entityType": "User",
    "nonce": "0x17ae620e5d4220ae3ab8ef0556a658708ab5ae0785c98981a293136f18976ddb",
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    "signer": "0xD967b68365738013c9197659aAb46EB73a488080",
    "userId": "488430169"
  }
}