{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "535614224",
    "entityType": "User",
    "nonce": "0x84261c989d2181f76ea4d5fe1b28973949ea99d4b149c8343b3bb0f770195d03",
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    "signer": "0xCb62a9Cb72608ca74EEe6bA8E7D4F9eDc508C9ce",
    "userId": "797245792"
  }
}