{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "463878785",
    "entityType": "User",
    "nonce": "0xcd7d158758ab876952fc0c051de3acdc730864b3b0ce5ea0b8870eca838d41eb",
    "signature": "0xf7c48e82d352a295b691fe1ac0db9f6eaa431d18254cc9c739f842b308dd02127b09de7d9dfe6cd51a184b25cc751b874db854a602b942733b22bf23e42a6e0b1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}