{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "285584",
    "entityType": "User",
    "nonce": "0x8ca65622357151c7fa6fe9d2985d5e0fdf06d9b3f8bae15015e2776178ebed67",
    "signature": "0x7c53b06925737c8be11864181972e9c3175360bad03276cf508f11fba93cc4ac46c2b60642f43ad941c8b602a890fb02323293dc5432b5509126fb28f18119781b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}