{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "405466",
    "entityType": "User",
    "nonce": "0x984fe4d3352fec56aeadc1e2773c8dcf628b7955ddf81f4c268ab29b6d02d9c9",
    "signature": "0x23750614923155f7143ec6e65f4b94e541d9db752032c3716bb301a942e7e7a5436c6dd97f02cbf37e5e2c55629542aa747efdab673abde9a50927af476b459b1c",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}