{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "147204",
    "entityType": "User",
    "nonce": "0x1a86e4d72447c01b37d996bf3339bfb0deb20920c5394c5c700fa8348e4bd3ca",
    "signature": "0x35144f470f5744469d9af4678c50eedd62812c3d9a6738e3a1e04f96ad1a7aba765c862a2bb94a3b15b64b9f4559ac42b2154dabf4fddbb815894135b09c257d1c",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}