{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "870684573",
    "entityType": "User",
    "nonce": "0x8b676c1db8f17ee68614bc1a9c155eaa106d92a42764833020727b75deeda59d",
    "signature": "0x9e1830f7dd6637c777cb79416887d5bcb3983058f38a58bcf254f78da31e37400663eacf3886da3eee36aaa0841c39e71832f88158534aa991cf2748d62ccfd61b",
    "signer": "0xE09A95aA63d8B1AE975406d646074B73ffBD4ACC",
    "userId": "27841"
  }
}