{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x7cdd168c669c9c1dedc82d4d4b10cc1ecdc12098d4fd085ed47c7e63346e2048",
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    "signer": "0xB12E323b11D9f9ff782100fEA9DC62fA6566Ea51",
    "userId": "622482628"
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}