{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "956241273",
    "entityType": "User",
    "nonce": "0x4a36d2842280a3c25154b4e7facc8eac85bf1109eaabfac7397063b8f5ea8004",
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    "signer": "0xC1896EAF7ae2431A08647A163291b5a8A0cd2a6C",
    "userId": "185209372"
  }
}