{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "458785967",
    "entityType": "User",
    "nonce": "0xa8466a3d6115f8eb084a0b6b612448f5f62d13f9c4db3c1c96079b736c5f2b5e",
    "signature": "0x1477389e7eaa14bafd16f0523b91f72f163136c013659a3f6a793f7bd7b1cb0c6773d35b848b7139348d2ff9615c621f325fa17ed6e94400bd5e9983a83795941c",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}