{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x874a0a25189bbdd0ce6dfc86361f22feea80b360d12746e354a1d0d538d9908a",
    "signature": "0x124da95b8dced2ea6eca7db4259677a93d1697c4e0f97bf9e839faec447830221dce91a07bc33a064166ae744fd44eba8a8e7a0088fe1cfd5d80df0399e96f631c",
    "signer": "0x01628CB35785eC9b6228052B63148A572Bd4Ef85",
    "userId": "860938615"
  }
}