{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40758",
    "entityType": "User",
    "nonce": "0x977c5563741b5b8ff7798a6aa1853d08f090d0b27e5a92390fdc1139d4b4168a",
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    "signer": "0xB7DFA42Fbfc265800C1053e18a988375F083Ce95",
    "userId": "236807825"
  }
}