{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "320356",
    "entityType": "User",
    "nonce": "0x6456ebd5768801be587d1665d87b3a224c537753be4b8f371185543ff78c0e9a",
    "signature": "0x792022afd07193b48fd9a43665829b7e22d53c32fdf527fa7b1a49c0b7b1c37c480543527889864d2ed6824070203652ab94410577efc1c61d72d846de4bfbaf1b",
    "signer": "0xbA83b3D0645C0C99c76cB296B0BA81bD641DB81c",
    "userId": "951995708"
  }
}