{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "381932",
    "entityType": "User",
    "nonce": "0x52ddfcd6fa19a39cc74b0b9089c90fc6467757e1b607b1aa1a11bdba57b78db5",
    "signature": "0x822afc58700d709e3c3c739ee76b8866fe04e189512c9e25a2654800cbece9fb6d386126e3eae5feb6cc2f69f2bdc1a70ae3487fa43df37a87f87a182b3388541c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}