{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "237700",
    "entityType": "User",
    "nonce": "0xd7d651314aa39e94c1d8ca01bd42ab7760b054ef1390380c9c6dd7248f280757",
    "signature": "0xd68de0a384eeefa0821835cc42cca3713e968bad5660f78b3d07dbe0055a813a0de835435352c72ab1b0ca2f9e20537d22fba23503f80791f7b37f565a1783e01b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}