{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20671471",
    "entityType": "User",
    "nonce": "0xe5572327fa310b7c4ba6d1dc4277a93e37045585293d453c768821388f8d870b",
    "signature": "0x70353d530d1c753b1a17df8fd5000fa3e1cb14394851920e85088b5649ecc95a3785893924e9871844daabbefb4c0db41e34cf83f2627243231dd5d1f36b6b8e1b",
    "signer": "0x1788E4C39d3326e598F16767C69826869594E359",
    "userId": "116504833"
  }
}