{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0xe4609e17e3fa559ab4e57c7c0adc9f969d60fd1cf7f4312971716cab0190ed4c",
    "signature": "0xe720e68d21a0402c3bb8fa7d44598607dc52010ad9eea4ab6bff0b04a10e57f95bd4ccbf05a8af88de3b4a5e414e29cfe692ca62c125e4fb3ce6a14342b122b21c",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}