{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54238",
    "entityType": "User",
    "nonce": "0xee4be8c673b0c686d8b5bf5758773a1d888be44281cc953b986091870515b3c3",
    "signature": "0xf29707073c6b89696e2e2c32d2f81277f4ffa7b51e943acee714eb885ce2a9ae3f759ade0b0fb99bb0e5f065033bce365d57afd7b8dab51398dfe607469c34fc1b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}