{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "994613244",
    "entityType": "User",
    "nonce": "0x264c2fd2791eb16c8b43204cf2d42fe5f38501f0e2153debe42cbdaff5e114c5",
    "signature": "0x2c0d66ab85668bbf5c5a129f0827d5790e95ba25c503509f34da97a359d539e92acfcd4b3d81c8aaf52f65b540d33a592e3f7112ad38de5d42141ad6947996111c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}