{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "365089",
    "entityType": "User",
    "nonce": "0xc90952cd5b9dac2ef33395141a50820889cee01ac0048df00c79345ca518b0de",
    "signature": "0x247212c8ebe06ce1fafe3fc588015d0d6dc0fbad2271fa3bd7bcbc341b857568265dd49c4bd2e2c1457318675baf3c1325fa8b0714a0be985f07e3021fffd1e41b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}