{
  "manageEntity": {
    "action": "Follow",
    "entityId": "190321",
    "entityType": "User",
    "nonce": "0xaee2bed786589a669d63e93f940667bd631188aa80f4cba8d36ac5c4fc16d173",
    "signature": "0xc377689ac2bb3f4e501af1a2634c7c21387ac2de96162d549c3bc3e650ca1a3770a6e8360b50b0dcfcfa4f5429039f91830dff01a8f0b5e524e30e114349d0081b",
    "signer": "0xb947c8d74C81F96311AF654D6943a3828370fD24",
    "userId": "143893859"
  }
}