{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1010276",
    "entityType": "User",
    "nonce": "0x5f85f407e82cd014b8bb5774eab26ec1811e682eb49e5b37253e7f45bdc30dd5",
    "signature": "0x9852082ba5340e563583b8f58414cddebde6f70de9793f566e0d3e94ab7885c145c544e42a3e30ae6c4b90aa9d5cfd4441b678e323443a9d950389b5b306286f1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}