{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "15786",
    "entityType": "User",
    "nonce": "0xac702b88bb1281ccab3a4b44805c1ba8005bda33bc94029b4e2b8b8fcb5a55be",
    "signature": "0xf523fe6eb837dbe42dba8d50f349bc9f8d39796fd395c530612cc907d6517fd249b49299497da89c5de1f6c4f1d5f6e3db24c7ca066f75767a89ec604fc85c241c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}