{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35837",
    "entityType": "User",
    "nonce": "0xfcf8e714acacdc1e916e2526e7733c38f885ae5e6a8b3db89e129339150714ac",
    "signature": "0x5cb66c8fcea28a6bb60dafd0045954842403e875bbda3f3e5bfd796a3283962e08b12ecccb80c248a30a5b86dc10fd658b4a956ae0a14a157f585b5bd0ce2b481b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}