{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10608",
    "entityType": "User",
    "nonce": "0xf804a94b2bf15d649d8d5d3e6972925209012ef4440a7eeeeb6bc47388e526e6",
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    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}