{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "128030",
    "entityType": "User",
    "nonce": "0xcfd4669ca87594746781900c5612626004c1f8da45e8f6946e0068b25f2079d4",
    "signature": "0xa84605923866a9978670ad6a3fb63bbdb60edfad2f2e2a57bfa6feb3846976af1bf89466e8e62c77d355e1280ebb417dcac4d19435583475e031898a18e234711c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}