{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "226888",
    "entityType": "User",
    "nonce": "0x5eb98cfd6e93cff406600d30542655e665c5c771e7e323e117e566828aad85b4",
    "signature": "0xb397eaad761d0f56e128ec118d74088f84c3bab2a9bd29ec38752d9ac3ce26800a081d664ca434dab8eeb34b87b7fa74ccf59cef792716684be92f4dd3ccc7971b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}