{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11248",
    "entityType": "User",
    "nonce": "0x51856acad04e763f501afb7d14e93117f0d7c072bb5af69fbe0924b688f30d72",
    "signature": "0x21b62bb520c0cd6cd7230ca37015531677b09dcc66fdb2f65f6d0804b6e0ae486c047cd25a4e4bcb30069bcaddcbaa2b4fafc837fd820e77824811fe3ff5fbef1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}