{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "174400",
    "entityType": "User",
    "nonce": "0xdd3fbcc1cd4762b2329932a7ef3cab7510f11f9370ab15d04058bafb668070e9",
    "signature": "0x1cafd6a27f5282981d2a5fbf24ced894e48fa4102cd861c1f08f11a9c6c80e96771c8e8c2dd5fd5f6203bcc522e3d8087fb911efbf11e7a613ed5829026133001b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}