{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "488430169",
    "entityType": "User",
    "nonce": "0xc780516c82dff4d29d64fb12e5d2e8aa447b2ad166c6816a805cc919696ab604",
    "signature": "0x409b3e6fe59c09af7af924507c28ec4760ca6c1843a53afa1fe1de9b7e7b103e061d1e4022941f1360a174b509f8e5e01271acc83b6d5e1ca6be807f76033e7e1c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}