{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "571117272",
    "entityType": "User",
    "nonce": "0xac458b94ab43aabf3afc009816723578357a24b8515d869f384c989d98405bbe",
    "signature": "0x8878af27f29957fc60398f104956742ef5e141cd6cbc2ab9ee87497fc83eaf367dea95d5afe653ed888a1d48153718bbbf3ced360c0930181e4353289af230481c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}