{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "416239376",
    "entityType": "User",
    "nonce": "0xc182df4b37938bda6d3099b7bf7dd55166ef88db7f8fcf29f1e2247954b665cb",
    "signature": "0xa695f0a463d296717789e87c611ab8be80d4a82fea8fd7d79e40fcd263e8a1c460386f9d83149f86568bb30a34d8fdc95fba54f4b88de899a8b637b0bdb695851c",
    "signer": "0xb2B3D446C5A606ee5B3e74e77EE3c96634De4a27",
    "userId": "399675354"
  }
}