{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157697",
    "entityType": "User",
    "nonce": "0xaa3b97f34dda1abe20a00075045df21d1d99bf754f729269b824f9177b2236d3",
    "signature": "0x6e2c63ea80e2e3b7c88680cac3795bc420616fbf5d3c84d78f372ef91cd268c33b7767290c25b68c0e48a8d0e0e67cf63119f7f4ab590465bb1263d1d15896131b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}