{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "186139300",
    "entityType": "User",
    "nonce": "0x7e19116537487602eccbf269d94ef28eb4fa18cbfb9de75a8e65c656f5f86a2d",
    "signature": "0x2f9f5a8425aea3a59b928dc6f3316762802abf1514225c5f7709121edd409ff36fb25bc962812486987c8602aec8d719a56068e2d551f02d9b83249c763f74c31c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}