{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "127724",
    "entityType": "User",
    "nonce": "0x18a7794c86344866c3d0ab6c22ff3422f155397828c75a40f871caa42b84beb0",
    "signature": "0xfcd61722c722dd594642a547f4dc0c88c8e25b53bb698c95b97e332cfd27896021e09abcf2e5bd4fb3472c342ab1a540a02a48c0b6453fd7643fa876ad9f79821b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}