{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6609",
    "entityType": "User",
    "nonce": "0xc0568f9309cfdba0a52f128cc91621a0e1502c71b56653dfac388d0198dba2a0",
    "signature": "0x35aab5df58524f97d6424ab2eebd8e7ab1a08b75be899ecb77709acbda9ef5cf055e38af36dfcdef6e84cad999fe707230bcfcc29612b4514932558f4b3e2fcd1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}