{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x95732effd88853ec6c372729ec7cc64249b6a59b1a1559512df0ea90eb32998d",
    "signature": "0xfac8d21db628978430f9d74cec620d34a004a7b80ccee1e42fd572173068cd4e137c5c5a4fb221b346c964d017913cb716b731b7ad18619da13a85b6b482348b1c",
    "signer": "0xe87C31b64532cB37AF1e437F9764994164E9d583",
    "userId": "701183610"
  }
}