{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xab6eaf0b7737e9091285652109c1bc2a42bf32518dad087873cc8234bfa53db7",
    "signature": "0xb02bbbb5ab13569956734956aaf852a48a8963ce7926aec31711ceec9b50cc8740b2f61065b276919286f7509120e1e54d30d81be225feb23017eb5215002cd21b",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}