{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61368",
    "entityType": "User",
    "nonce": "0x70ffbf5c1fe51b3dd2a75263758be071a7dd545706d03c80ece6e569dad86a50",
    "signature": "0x0e53d5672dcff4e14c86afaa9c3dd884c82492bc1ed048c73213d3e25cfe9523171d3d89429d6812acfbf07b3770fd62c087c1c0483ec867652a9942971f8af31c",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}