{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0x28480f89b92a768c0e9d65cfd7ce67bd1f1d921becfdfa4bf55e1622eb2f8aff",
    "signature": "0x0871b9ebc3a8e8bc0023bea14f35b4a72a512be67e14e430ba008c5426df1a7b47809e7b9d42cacbed21be68b4ee12f7fc60dd9d158921581b1d2d1e1322dd211b",
    "signer": "0x312b5C3647baE91C2fD8A30a64Fe5F6E9ed848d6",
    "userId": "332185878"
  }
}