{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4766",
    "entityType": "User",
    "nonce": "0x4ccb8bc657901348f1e42d106a13f2b0eace326c841e9901816dfe6a7694b923",
    "signature": "0xe2f53885dfcc9ba5a45e274fb5c549513c926d5f9d888f12a36b4d38efb532052a5b46b2333abdcb51f59502f8251ea9469469757d532a808d62f0b093df94771b",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}