{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x83fe302ee46df76235c785330fabf2e1d7c0457ad9364c163cf1f0883205acf2",
    "signature": "0xb073a4c92e1213c93d50955b34b4a7ddc88a51a12d73c98a8fa63f6b7c7be727138c457431372ae7b9b9591a1cb379e87985f971b3496eaa22c0734708b8b4ea1c",
    "signer": "0xc0062f2200D5e26219F571702546A220CeEe0761",
    "userId": "348586130"
  }
}