{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "982692351",
    "entityType": "User",
    "nonce": "0xf79622b60616d8a78ac44ac8b089fa0bd76b7ce35772e510cc62e41b94ab4a52",
    "signature": "0x1554699e60e807071d34f8b70d348e965df76c59ad306280e259f2566c12a61d3b83b7b76830794f10cb9932298f7cbcec5abece8ecf37c34b652922fc788b011b",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}