{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "372587631",
    "entityType": "User",
    "nonce": "0x6fdf50dec199012d8465d425240463aa509cb1d2e707d0b061c1065b202f3ce7",
    "signature": "0xa0d38acd20d8a9d2479464e317e88094471d94309f659e7e991f58aa3fc9caa01abba28ea11edd03772d826a747022ec8b8ab8cf53bf64f83a5802e65544cadf1c",
    "signer": "0x6802Fe39C5FA9f99ac1Aa32F164982185A3E70ea",
    "userId": "152482938"
  }
}