{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "227533",
    "entityType": "User",
    "nonce": "0x986c722c21b82718ab9161eedfc2da278d79053d22b45b2bc6765867028f60a4",
    "signature": "0x7505809f76f215d8821503b403c08f331a7cd2d32491341ecb9b24985310d01352e31029ebdfe7a5090095180b94cf93f714920336496a131e450219d67956801c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}