{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0xe9dd265e1af31805b2c3d51b52b7f0450e3536c148489fd1a4dcc147da48c3a9",
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    "signer": "0xCb62a9Cb72608ca74EEe6bA8E7D4F9eDc508C9ce",
    "userId": "797245792"
  }
}