{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61034",
    "entityType": "User",
    "nonce": "0x510457378c96573125dd7f719622613d74eed9a21805d079c293270cf59c32a8",
    "signature": "0xed9ed7fec21d97e62fed754e3c026ef519afc96fe1e5019842b83d4e2e97ebca438b79f7509d9141a49c27c399349b7cfade71159c00cf22bd2124914bbed96c1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}