{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "340290344",
    "entityType": "User",
    "nonce": "0x7b4328a7a4875ed872c3d21c81b072211ea10e026fddc58b9cd4ef1a0256be30",
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    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}