{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "103945",
    "entityType": "User",
    "nonce": "0x2af179728d29f99fadbb8c9c9febabe26add7b8964545f46109e6e5e99e51399",
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    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}