{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1197",
    "entityType": "User",
    "nonce": "0x4aa7a93f75467d991525c249c4f3233ce74e8d5cdc7bfc15def5a3136632de00",
    "signature": "0xc93ae1daceca859d5170109cd5480666e7cb6e417c4f1378dfcf84745e9de8cf029577d6b274cdd211f4dabac255f404468677dce25c78a331849abe62740c7a1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}