{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "182902342",
    "entityType": "User",
    "nonce": "0x4532c3b2b13718113f8e20a78a9858e73c1accc7c8cd994bc15c6c638fe5b3d1",
    "signature": "0xf016da047268da1460a234b482487bcafde6a3be72db9ee4a79f6240638968a907d64c77ec61d8789c685f9de87431a1443ef7dbf8f28f2fd14b3972a61e20781c",
    "signer": "0x9FF2A7F5Fab732dA57359bb3eD63a95511bD1329",
    "userId": "67863854"
  }
}