{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "230019",
    "entityType": "User",
    "nonce": "0x18ab7f240ee729d9ae70d5d0a1fa1b116148f97ff990ede22da1778a1ce39df7",
    "signature": "0xf1e17fdd66b419f3c8e68a89ff4a660c82de035a18f65766b954174a5ffb0d4408fe157fc12abb416628edae67cf68198989b61d8db5fd7d33c53affa61ee9151b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}