{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7710",
    "entityType": "User",
    "nonce": "0x553764075f92a62bd866f79e21f9b659c12e39233f2a1990b1a822dd728a8921",
    "signature": "0xa4c49c4df5a2be29e18295623184b36b240236ab3b9241534866348400c76d865b0cf535645ad518c3403d3124d9bf7727e4f6a7733ee660c58ca4e17a959a521c",
    "signer": "0x32e5e224E0727A7B2CA7FBC47b945D1B1A59abDc",
    "userId": "76829893"
  }
}