{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "112996",
    "entityType": "User",
    "nonce": "0x96d6679edd8b215549db619f833d2494aa536dde64dfc6e0ae32082315c308fa",
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    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}