{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "925149974",
    "entityType": "User",
    "nonce": "0x8cb021330bdce4cd37b40e4d3b71f686324586700ffd08777e82679417678647",
    "signature": "0x75117329eb1f955df75405143af34870097a389e2e7b3d79fb3f1ac4d45f9c8f0b8576079320a4771f77d09d3d184964074d978a35379d7f1fe5ad063552f64d1b",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}