{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108348",
    "entityType": "User",
    "nonce": "0x839c0c88e8d7b7eccb464c7b6be2e0f243291df61e318a28ede19f47644f3e22",
    "signature": "0x3e8dc8ecbece268b138fdc93e0a7f959974428c22448a86241c36f92e4edad20104d0893baaf75d5e6f9092e2499171bb61600529e0efe7f1c8b24f82fcd6ffd1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}