{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "712635",
    "entityType": "User",
    "nonce": "0x0014f7c6b929b79958950b38c23a621b2506b7cbb1b600183251a0936074b385",
    "signature": "0xbd0d8060d0304e26cf714ff731de598e26bcb7c2754e4f5130600ce3043978747c64cf649219fe21ca4eae2d06ae1fd99a02c82cf45f86ded613df0826e0f1591b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}