{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "382051",
    "entityType": "User",
    "nonce": "0xcaabca3e249dcf135d2d66c7f5482ff774e143a119d9ed86e331e4a8abc6ff59",
    "signature": "0x8ba195112a24a72f69bc8606d4453ccad7b72116f03fd1845ae76240c27d9f5b0c16729acf6e930bd13163620c85f6726054395226942372abea49f50d2722951c",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}