{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17147",
    "entityType": "User",
    "nonce": "0x57417b7235bf474a1d6a8e7ac1258600be445cd6a938f41033641e5b6ecc3fa0",
    "signature": "0x5a08ba623270b76357e0612e6f4c524b5e14512996779187b731fc5c0eae398103d97b352df10fc4f0c4dc324bef22a65cd7f9c338ff68cf05b541666d0742fa1c",
    "signer": "0x9c1a2996a6DCe12e947BD7C8A755b6150A3eD5f4",
    "userId": "474113241"
  }
}