{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "807904117",
    "entityType": "User",
    "nonce": "0x46bc72e643179f5a0f8f6a8fb8a5684d534e60429e6619e2899bef9a1963bd58",
    "signature": "0x34e32c60bfa6ca1ff87aeacc8f1b0f3ecf85dae6368363c449e5a07eafdbe8571ebbcc7e4cfc820ccef6518c0d9b79de83dc5f8fce264c9998490417d2829b6c1c",
    "signer": "0x4E3828bc809fb5B9deb81fa536cF73Dd5bF4eeB2",
    "userId": "185184169"
  }
}