{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "109406",
    "entityType": "User",
    "nonce": "0x25f483b5db3388e75ab2014705b3c96696f27e00cd216731e5c2ab830312971c",
    "signature": "0xa8adc0ff825504b11d3fc99f04be1a727059107abcdc79b25fee742cbe42a2c95eb918e8c9c990058236fa2dae29b34a425df2de7dc67cc62b6c2c258c02e5a61c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}