{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67976",
    "entityType": "User",
    "nonce": "0x86c929cb9ce017fb70a31eeda16c90eafb4542f64e65008f71b82f7f3e7693fb",
    "signature": "0xcbfcf83c6c5d739c6e9757ffdafaed06e9f0f2e5499bd529b436d129d9ec4c3359a0289ab71aab3442a403e178dece1682ee833faaf98e9eeec8e578f2958cf91b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}