{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x7cb4053065571baf19f45bee7e63b0edc00b76b8c723b683db6bfc3074733f27",
    "signature": "0x7328b4a45f4c121574e34298896629e2bbacb630e6403c9983c8a200cfc0f7a72f5acb8f91abb8b99b8debeb6da0391acefec54bdf1255f472e4a2f49f8c5e5c1b",
    "signer": "0xd743f27Fe67e4d7CAa0d8D48e64a78dD364B7c67",
    "userId": "157919"
  }
}