{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "273798228",
    "entityType": "User",
    "nonce": "0xa1de73bf2692517a64ad9b464ba0735d40e9defe8408045ee23bd83e2a11c14b",
    "signature": "0x029d878497ad3c2d721ccf58308e93db1ef5ad601dd2fed0e95c60865d678f10762ad452629af7e9a633b87a61cf128e509ca0d880151c9fde0f94b8809e83631b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}