{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "991417453",
    "entityType": "User",
    "nonce": "0xc89d79f26e7c36199796ada4e5ba1f3b361ea8fc723d96f1b3947f099e1fea36",
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    "signer": "0xf11E5497244242714D00F5B7958b3bEa52524f22",
    "userId": "797931239"
  }
}