{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "222934",
    "entityType": "User",
    "nonce": "0x20d41f997a75e6da83a69bd990c387d5fc2ec3f1fef9b14e5b6a9ca89c0ad52a",
    "signature": "0x18d72e97ea21a3a570c4f24069e90c3a358af74cdd6783107e60a25555bcf44659ba88a1b751d7072b54364b074f4f817f413d5cdee4d7f7f9b1f2a3bcc0168f1b",
    "signer": "0x738Fb353b57EdB4d1f33c0049D33b204243db2ad",
    "userId": "693463302"
  }
}