{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827803944",
    "entityType": "User",
    "nonce": "0x99786bc8aea1af68c9fbfd30a312e1fb60bc5d078b91fac06a2385f24115ba51",
    "signature": "0x539d1bcaba0955ebefdf7ac224e91235aac7c790e2d73bb834188b1deea443b20772d731417e1944c49c7e4b0a72007660c9110bb7378773a72ed47aa175c77e1b",
    "signer": "0x98fC2b30E6e70e62dB2b5fAE7b0292DE3D4323Bf",
    "userId": "480962013"
  }
}