{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367750",
    "entityType": "User",
    "nonce": "0x4984a8bb4e2f9626f28a4612b1ae09f66c11916b0a2afcfbadc00e9a6fcf8ea2",
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    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}