{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1665031",
    "entityType": "User",
    "nonce": "0x2042c661ea9d964a0940ca47d39b7760752e2ca77b97c1cd38a09e4016b14e13",
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    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}