{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68514",
    "entityType": "User",
    "nonce": "0xfce9533ceb75cef9bc787d0771cd4e649939b381fed4c0fba40bd115f1b5a7df",
    "signature": "0x71bb98b4561febece9c0c8311fc53633a51f1f93d53868b067fd596ce98cdae926503e4df62a1acc65eb088e3d3425b928ddffeb08099cdc9f06cca29ef80f221c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}