{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "15791",
    "entityType": "User",
    "nonce": "0x1792f5f6acb7ac59e1818db19a6c4993df6523b59a1f22538559fde4983c58c8",
    "signature": "0x1c5b2661d1b203a64273bdd1eece876aef92f563243952b208c19857656822d07b12c2e0d5ad0860919c61fbf4d54952f61d3241250ba817303c91a7faf055591c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}