{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "571104",
    "entityType": "User",
    "nonce": "0x5b1f64de3ac0896c648401ee261e0aa14ba0a13a24faaf9c61d9b741d758a468",
    "signature": "0x6d08db3119f56818b246e2dd968b693c026157086377d9aec0ae6799baf879f36b628eca0a381b18604728bc79b72985fd9a437b1bf246940fabdda6009a6aa81c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}