{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x06b7adc353cbb48550bc78943549775220c672860d4af20c53f58ba49f37129c",
    "signature": "0x1fc41e7720fe529e2b9dbb6beb64895c45b02d7d96e74b309a0ceed7219a2b852aaf530bd8a7eab172febe1aa5b100e0ebd298d305eb28ca2bf547545ac9e0d41b",
    "signer": "0x7ceA71B4A8C4013A4f57c1A57eC0430915572e86",
    "userId": "31724295"
  }
}