{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "345811967",
    "entityType": "User",
    "nonce": "0xd2bb2f0262d7ed691ae14d619ac1a37aa347e49e79de6b4d55de66acdca5cad5",
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    "signer": "0x11cd379D12F9a2c7BAaE2f74F1914A8c50faF2c3",
    "userId": "387949683"
  }
}