{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "143257",
    "entityType": "User",
    "nonce": "0x52053b3dcc05867f3fe2cc7d3418194a4b35cee7b70a3d382a2f4f916e5df298",
    "signature": "0x196f5f5465db20c4382569373b9c411208873c8f3cfa431c4ae6e703c37acc9d484d71c82f0565dc868e604bfdf73de88d9ef2bd16c9182c51a6f4762079b0031c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}