{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x5158f97e35d10fac19c202f378e321af20fcebede2194f999ab7a95e5f5f5b5a",
    "signature": "0xad236f65760afe37cea54fb6b7e74c780cdadc968cfe57ceb9c496e142c4e8fa5951c2251f04b0e86752d76c6743004f8d0e83a041da79d8049551cbebbf716e1c",
    "signer": "0x283a6Fd0bE176865B404dfc3B2805D3a2701d62e",
    "userId": "484365174"
  }
}