{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x80b7355f8c56fdad5a21bc48d7d172fab14a0fe6d3c7da607ec709da3de01bf8",
    "signature": "0xf9f0713867ed5c1c222d2be6debe875200215359afeafd91f6120414962be5b164b391a6441e565c7bfa41d4eb2362ae86bef37c8af40d7f91d1126edcff5ad41c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}