{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120824",
    "entityType": "User",
    "nonce": "0x788c4c68f3873e6ac33de846f6060784c448141aa08e9f5840c1e521b842c012",
    "signature": "0xa8c301472763db9efb0c33e7f1a1af6683f67fe4ddb445743d7cad35177d078c32f381ccdccd782f03733547a287280e574dc3a485a32e278ce6118de6aa40141c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}