{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10435",
    "entityType": "User",
    "nonce": "0x003357b17026b9ca97ca513423c9b19c122921341d152ebb7d9cd9dd5d4f69a7",
    "signature": "0xf556c4d24ecb11111d98bed122e28ef0befa213332a7aa04025c223410d1df3d71db13000867751e164c93bf1b64a169f8dfedfb980566126eee07732c5a8e7c1b",
    "signer": "0x5501467AFaA7897fBBD65dE583c7E74577B92f74",
    "userId": "608591950"
  }
}