{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52935",
    "entityType": "User",
    "nonce": "0x99a7a8b53217314e63943c9b84634ad2450cf384a1afeaf2a15826e3e56daad2",
    "signature": "0x70d4052efd3454884e739f39ff5beceec9ac824d2f7502219777dafa70dc800876b778264c23464656cbc8f59f4cf3d8c29301aa26fc7f8d60adb42d3e76be921b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}