{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "347167",
    "entityType": "User",
    "nonce": "0x7fc668b7fb05918746afc9c182e7d80cd6df504103fd8aa293d4b444324e815d",
    "signature": "0x5528a571e7bcaf72cf9925e546fbb441df90dbc04bbcd2e477249238af92996622ff1ae64e6c3db4fa95ae041d2d34edc7292741e7d4cf66806f23c08b75ad161c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}