{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x736911cf20bc0f55e02cec6d9b80b76733077d66c3481201c6c6d1c73854768e",
    "signature": "0x66db4dd95f5e10743f51eaf58cb67f62b2d50811cc3406417971deec647120e32f506974d71665e7ee9330d3a1aaf0926589c81bf5a0aee5b8560e8512c03dc61c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}