{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "926268626",
    "entityType": "User",
    "nonce": "0x1319894c551169d64be37981335ae7bb01eccfddaa6f8a0be9cde9217853cee7",
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    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
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}