{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "381638009",
    "entityType": "User",
    "nonce": "0xd13046b5faaf49488a2d517bade496e1c9aa1dec1a2a09256688d2bc11951fbb",
    "signature": "0x7a36f917a75a6ea682d1c50abe8d8d7247d13f098b7bc5fba8e64580ec95ccfa2c50eb6ceab7f92b8796905e2a86d7e0a108d07874748d1fb41c36752bea16711b",
    "signer": "0x0E6Ef8dF2F401D8918d603B82ef321D94A721556",
    "userId": "648802251"
  }
}