{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "256050",
    "entityType": "User",
    "nonce": "0x28682455011042bdf04f8b1a4b97f5e9a73ca1add472defb1459b644a35396ed",
    "signature": "0xabfab8d25fb5df3c13cf1d0b67af99d0122d551246837f38d07aef52bd0247b35444ce963d48f2b395bb36c6c085dc232db0a75aa0cacfe44ffa8075d752553f1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}