{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157305",
    "entityType": "User",
    "nonce": "0x82ce4881333a057d9feacc7238a57d25d946ab00730db843f5cd875abc1d4346",
    "signature": "0x5c753fabbc4829aea152cea971340ba30b92ae14422534a0fcb2330366c74e994c5c9f5fefc76e1b1182c3b9047f38d9185562bbe77a107556ca4d414210fd211c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}