{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "109394",
    "entityType": "User",
    "nonce": "0x364576085a5a90943c19619f01c92108faf9d7d5ae9c616d00eab3735b049893",
    "signature": "0x5d4b66f4388bd531079f7c2a5316d7887023b82d07ed9635a1af66bb42575d53070487ff85a62ff884d34929d55df985630cb4bcdf1d781f743a3eb3a70a891b1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}