{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "69305",
    "entityType": "User",
    "nonce": "0x50198b3e53cd65be388d351e6528f2473510588398e857b553aecb69277a4bcc",
    "signature": "0xfbf20e469915224e941a7789d81c9437770a2d2f469f12e66503132a6f522aeb5f3d6dcf58ef75e5a84de18c60950da06ae3e0fa53ad028058477dddbd25eb301c",
    "signer": "0xb7C7a8D9d12EBd1Cd438cB065E97280E6D7e912A",
    "userId": "984691913"
  }
}