{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "297334",
    "entityType": "User",
    "nonce": "0xc55b4cead51bb2a9794a689338695f96b582e4c1da876f872664d635851de612",
    "signature": "0x5d0bde0ae605ea75224b513912fa0c4dc6a14ff86b4dc2cd8a352437ddcf53624433e846a2398210d9fe90cf9e3311a5128f3ab955dd81e93edae37e449a9db31b",
    "signer": "0x766Ba5816f1Cbcd9649d3b301b8F423CFF252fdb",
    "userId": "758745"
  }
}