{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "144233",
    "entityType": "User",
    "nonce": "0xcc36ed8b9a6b948c4e1dd389f1f2dcc7f0bc9659078c8ad19072ef298db6532d",
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    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}