{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29453926",
    "entityType": "User",
    "nonce": "0x609dee20b44b37ddffcb7e144fe9fd6b14e0f1d41125877b44e2b57e2540f367",
    "signature": "0x70eacb23423cd6fbb010023449ba5058b8c2f1024ddec1db3518d77b577291222979e58f2303925c58e4a6126180b75a9005b782ce1d1a94fb3eacfc74bee5e91b",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}