{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "314016",
    "entityType": "User",
    "nonce": "0x46749023f6c3225e65b1a8db0527bbb1e06b5dabfa66fda465c0c525c4bbfb53",
    "signature": "0x6f0fa9c6236f1969f31b8826466757b27d208cfd76dc2632133094e95442e3b737f6df41b9feaa1972ab1a7bf09d1aa90b835afc985caef1a6617f0f65dc4e551b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}