{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17468",
    "entityType": "User",
    "nonce": "0x172f9575aef39a6261577755626ae5a958dabcf72e98bea2ba2e5c4dc522594f",
    "signature": "0x6b1fc44c9fb61b1ee917c7fa1c6bf68cc8c950c5eaf80a7968c5a5e637df6d623c61e599d830a097274940c41d00d876904910c79b83b48549c78ec6866de1a01c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}