{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "211307",
    "entityType": "User",
    "nonce": "0xa8e243eb505951cd4037a3dce160e651781ff1f9890bec81edcf1436758d6aac",
    "signature": "0x8e2a10a14022fe5fb13f7784ff2641532c2960512b8fb828c4de4b2fb7cd94995f990f8ca867871f648066e401d884dd42d7aa5bb63293718a1dcb672bc3f3041b",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}