{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "134328",
    "entityType": "User",
    "nonce": "0x843163708b8c9030488d6b648b976bfde6fda9dfd1da44f9c40e60ac6bbed92a",
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    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}