{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "69305",
    "entityType": "User",
    "nonce": "0xa0c0bc6975ed947bd8126c1c6dbc84a9b396a022ab0a89b671ad67808af6fecf",
    "signature": "0x169ee81f696100bd5e35dd7591f711d63301ca102c1344d52da954cb3dc7018d32f1e3e4a320b5d51febdc63dc4931f9ba4eb62afaad95cda77d2e7e76f1b33f1c",
    "signer": "0xF54ACD9868e9906094BBEe9817413658a3Dd38A2",
    "userId": "399415777"
  }
}