{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "527165697",
    "entityType": "User",
    "nonce": "0x534c9948ca9d24f853b7f9b4fe789cefe8a71747d63dd2c180e8238e6ebbb748",
    "signature": "0xf9b7bd1d2a7efa102a38e50a1ff38ed4e89af8f5677ff2af0c4aba17c692ffab329b19580d714dd5428dc8a04bf814e1726decdffb42c8ad232f6b073346e4981c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}