{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "262481",
    "entityType": "User",
    "nonce": "0xc5d693aace5a61a297211cfd371ec3215674d3209739271261df31b5c5fa24e4",
    "signature": "0x78ff022ad5f1b9b3593abf3b85d583ea11d17ccb5f53dbb09c2102b183a19e7e7795717afe79d33d29386bfd9187b287429fba0e23ed19958d858b02a954abd51c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}