{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1930653",
    "entityType": "User",
    "nonce": "0x7f89432430ca2ce45afa13629ca1080287f58018e5119f1b867eb912650e7979",
    "signature": "0xa343526e3844efc717925ed29a25a337cb0ab33fa6f7d43ec84945d7b7cf4dc346e7a2c67934f9c980c60f8139578c22df0cc5135b12b5e85a23678b3e72d1511b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}