{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "826565197",
    "entityType": "User",
    "nonce": "0xc0e22364e1c8e1e53130dc3e69d23a6eafa8e5cf2081942a3371d63f5d262218",
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    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}