{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "356114",
    "entityType": "User",
    "nonce": "0x4bbf6621a7bf6865d875e66b9f3b910648e9af14ceaec23a11318cf43a00fe92",
    "signature": "0x5a8138079b634db32bf0402d217ac090f0072283e42d5804115b1e53179cd5a93c58ec34a7d3c800a324de14d09e10ad4804be3c639e44cf6040c395e9236ebc1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}